/*******************************/
/********* General CSS *********/
/*******************************/
body {
    color: #000;
    font-size: 14px;
    font-weight: 400;
    background: #ffffff;
    font-family: 'Quicksand', sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: #000;
}

a {
    /* color: #4a4c70; */
    transition: .3s;
}

a:hover,
a:active,
a:focus {
    color: #aef4d0;
    outline: none;
    text-decoration: none;
}

.flex_col_center{
    display: flex;
    justify-items: center;
    align-items: center;
    flex-direction: column;
}
.neon {
    position: fixed;
    margin: auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1vh;
    line-height: 1vh;
    text-align: center;
    font-size: 20vh;
    font-family: neon;
    color: white;
    text-shadow: 0 0 .5vh var(--lights), 0 0 .5vh var(--lights), 0 0 .5vh var(--lights), 0 0 .5vh var(--lights), 0 0 1vh var(--lights);
    animation: flicker 7s infinite;
    filter: brightness(1);
}

.text-green {
    color: #aef4d0 !important;
}
.text-must{
    color: #efcc50 !important;
}
.hidden {
    display: none;
}

.neon-text {
    text-align: center;
    font-weight: bold;
    color: #fff;
    /* Màu chữ neon */
    text-shadow:
        0 0 5px #74F0FF,
        0 0 10px #74F0FF,
        0 0 20px #74F0FF,
        0 0 40px #74F0FF,
        0 0 80px #74F0FF,
        0 0 90px #74F0FF;
}

.balloon-right {
    position: relative;
    display: inline-block;
    margin: 1.5em 15px 1.5em 0;
    padding: 0 5px;
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    color: #000;
    font-size: 20px;
    font-weight: bold;
    /* background: #ff8e9d; */
    background: #fff;
    border-radius: 50%;
    box-sizing: border-box;
}

.balloon-right:before {
    content: "";
    position: absolute;
    top: 50%;
    right: -25px;
    margin-top: -15px;
    border: 15px solid transparent;
    /* border-left: 15px solid #ff8e9d; */
    border-left: 15px solid #fff;
    z-index: 0;
}

.balloon2{
    background: #70a6ff;
}
.balloon2:before{
    border-left: 15px solid #70a6ff;
}
.balloon3{
    background: #a4eb84;
}
.balloon3:before{
    border-left: 15px solid #a4eb84;
}
.balloon4{
    background: #ffcc75;
}
.balloon4:before{
    border-left: 15px solid #ffcc75;
}
.balloon5{
    background: #a58eff;
}
.balloon5:before{
    border-left: 15px solid #a58eff;
}

.flowchart {
    display: flex;
    width: 100%;
    gap: 0px; 
  }
  
  .step {
    position: relative;
    color: white;
    text-align: center;
    padding: 15px; 
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    line-height: 1.5;
    word-wrap: break-word; 
  }
  
  .step-out {
    background-color: #70a6ff;
    flex: 0 0 20%; 
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 50%, calc(100% - 20px) 100%, 0 100%);
    text-align: left; 
  }
  
  .step-in {
    background-color: #aef4d0;
    flex: 0 0 80%;
    clip-path: polygon(0 0, calc(100% - 20px) 0, calc(100% - 20px) 50%, calc(100% - 20px) 100%, 0 100%, 20px 50%);
    text-align: left; 
    padding: 10px 30px;
    color: #000;
  }
  
.green_neon {
    color: #7CAB18;
    text-shadow: 0 0 5px #7CAB18;
    text-align: center;
}

.text_center {
    text-align: center !important;
}

.text_white {
    color: white;
}

.ribbon_tt {
  position: relative;
  margin: 1rem -10px;
  padding: 1rem 2rem;
  background: #e6e180;
}

.ribbon_tt:before,
.ribbon_tt:after {
  position: absolute;
  content: '';
}

.ribbon_tt:before {
  bottom: -10px;
  left: 0;
  width: 0;
  height: 0;
  border-top: 10px solid #e6e180;
  border-left: 10px solid transparent;
}

.point_tag {
    position: relative;
    padding: 20px 0 0 0;
    background: #f3f6ff;
    font-size: 20px;
    text-align: center;
}

.point_tag span {
    position: absolute;
    top: -10px;
    left: 8px;
    display: inline-block;
    width: 52px;
    height: 50px;
    text-align: center;
    background: #95c436;
}

.point_tag span:before,
.point_tag span:after {
    position: absolute;
    content: '';
}

.point_tag span:before {
    right: -10px;
    width: 0;
    height: 0;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #638520;
}

.point_tag span:after {
    top: 50%;
    left: 0;
    display: block;
    height: 50%;
    border: 26px solid #95c436;
    border-bottom-width: 15px;
    border-bottom-color: transparent;
}

.send_btn {
    display: flex;
    justify-content: center;
    margin-top: 45px;
}

.send_btn a {
    width: auto;
}

.send_btn img {
    width: 100%;
    max-width: 160px;
}

.btn.btn-custom {
    padding: 8px 40px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: #777777;
    border-radius: 0;
    border: 2px solid #aef4d0;
    box-shadow: inset 0 0 0 0 #aef4d0;
    transition: ease-out 0.3s;
    -webkit-transition: ease-out 0.3s;
    -moz-transition: ease-out 0.3s;
    margin-top: 10px;
}

.btn.btn-custom:hover {
    color: #20212B;
    box-shadow: inset 0 0 0 30px #aef4d0;
}

.btn:focus,
.form-control:focus {
    box-shadow: none;
}

.container-fluid {
    max-width: 1366px;
}

[class^="flaticon-"]:before,
[class*=" flaticon-"]:before,
[class^="flaticon-"]:after,
[class*=" flaticon-"]:after {
    font-size: inherit;
    margin-left: 0;
}

.bg_blue {
    background: #1a294a !important;
}

.bg_green {
    background: #aef4d0 !important;
}

.nextbtn {
    text-align: center;
    margin-top: 25px;
}

.nextbtn span {
    padding: 6px 50px;
    border-radius: 15px;
    background: #1a294a;
    color: #fff;
}

.nextbtn.green span {
    background: #7ed957 !important;
}

/**********************************/
/****** Loader & Back to Top ******/
/**********************************/
#loader {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity .3s ease-out, visibility 0s linear .3s;
    -o-transition: opacity .3s ease-out, visibility 0s linear .3s;
    transition: opacity .3s ease-out, visibility 0s linear .3s;
    z-index: 999;
}

#loader.show {
    -webkit-transition: opacity .6s ease-out, visibility 0s linear 0s;
    -o-transition: opacity .6s ease-out, visibility 0s linear 0s;
    transition: opacity .6s ease-out, visibility 0s linear 0s;
    visibility: visible;
    opacity: 1;
}

#loader .loader {
    position: relative;
    width: 45px;
    height: 45px;
    border: 5px solid #dddddd;
    border-top: 5px solid #aef4d0;
    border-radius: 50%;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.back-to-top {
    position: fixed;
    display: none;
    background: #aef4d0;
    width: 44px;
    height: 44px;
    text-align: center;
    line-height: 1;
    font-size: 22px;
    right: 15px;
    bottom: 15px;
    transition: background 0.5s;
    z-index: 9;
}

.back-to-top i {
    color: #4a4c70;
    padding-top: 10px;
}

.back-to-top:hover {
    background: #4a4c70;
}

.back-to-top:hover i {
    color: #aef4d0;
}


/**********************************/
/*********** Nav Bar CSS **********/
/**********************************/
.navbar {
    position: relative;
    transition: .5s;
    z-index: 999;
}

.navbar.nav-sticky {
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, .3);
    transition: .5s;
    z-index: 200;
}

.navbar .navbar-brand {
    margin: 0;
    color: #ffffff;
    font-size: 45px;
    line-height: 0px;
    font-weight: 700;
    letter-spacing: 5px;
    text-transform: uppercase;
}

.navbar .navbar-brand img {
    max-width: 100%;
    max-height: 40px;
}

.img_link {
    padding: 0px !important;
    margin: -10px 0 0 0;
}

.img_link img {
    height: 60px;
}

.navbar-dark .navbar-nav .nav-link,
.navbar-dark .navbar-nav .nav-link:focus,
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    padding: 10px 15px 8px 15px;
    color: #ffffff;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: #aef4d0;
    transition: none;
}

.navbar .dropdown-menu {
    margin-top: 0;
    border: 0;
    border-radius: 0;
    background: #f8f9fa;
}

@media (min-width: 992px) {
    .navbar {
        position: absolute;
        width: 100%;
        top: 0px;
        padding: 20px 60px;
        background: rgb(0 0 0 / 40%) !important;
        z-index: 9;
    }

    .navbar.nav-sticky {
        padding: 10px 60px;
        background: #20212B !important;
        border-bottom: none;
    }

    .page .navbar {
        background: #20212B !important;
    }

    .navbar a.nav-link {
        padding: 8px 15px;
        font-size: 16px;
        letter-spacing: 1px;
    }
}

@media (max-width: 991.98px) {
    .navbar {
        padding: 15px;
        background: #20212B !important;
    }

    .navbar a.nav-link {
        padding: 5px;
    }

    .navbar .dropdown-menu {
        box-shadow: none;
    }
    .connect .blog-text p{
        padding: 0 !important;
    }

    .pc_icon {
        display: none;
    }
    .point_div .col-lg-4{
        margin-top: 30px;
    }

}


/*******************************/
/********** Hero CSS ***********/
/*******************************/
.carousel {
    position: relative;
    width: 100%;
    /* min-height: 300px; */
    background: #ffffff;
}

.carousel .container-fluid {
    padding: 0;
}

.carousel .carousel-item {
    position: relative;
    width: 100%;
    /* min-height: 300px; */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.carousel .carousel-img {
    position: relative;
    width: 100%;
    height: 100%;
    /* min-height: 300px; */
    text-align: right;
    overflow: hidden;
}

.carousel .carousel-img::after {
    position: absolute;
    content: "";
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    /* background: rgba(0, 0, 0, .5); */
    z-index: 1;
}

.carousel .carousel-img img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.carousel .carousel-btn .btn.btn-custom {
    color: #ffffff;
}

.carousel .carousel-btn .btn.btn-custom:hover {
    color: #20212B;
}

.carousel .carousel-btn .btn:first-child {
    margin-right: 15px;
}

.carousel .animated {
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
}

#videoModal .modal-dialog {
    position: relative;
    max-width: 800px;
    margin: 60px auto 0 auto;
}

#videoModal .modal-body {
    position: relative;
    padding: 0px;
}

#videoModal .close {
    position: absolute;
    width: 30px;
    height: 30px;
    right: 0px;
    top: -30px;
    z-index: 999;
    font-size: 30px;
    font-weight: normal;
    color: #ffffff;
    background: #000000;
    opacity: 1;
}


@media (max-width: 767.98px) {
    .carousel .carousel-img img {
        height: 100%;
    }
    .flowchart{
        flex-direction: column;
    }
    .flowchart .step-out{
        margin-top: 15px;
        clip-path: polygon(0 0, calc(100% - 0px) 0, calc(100% - 0px) 50%, calc(100% - 0px) 100%, 0 100%, 20px 50%);
    }
    .step-in{
        clip-path: polygon(0 0, calc(100% - 0px) 0, calc(100% - 0px) 50%, calc(100% - 0px) 100%, 0 100%, 0px 50%);
    }
    .connect .col-md-6:first-child .blog-item{
        margin-bottom: 45px;
    }
    .connect .nextbtn{
        margin-top: 15px !important;
    }
    .curriculum .blog-text p{
        padding: 0 !important;
    }
}

@media (max-width: 575.98px) {
    .container {
        max-width: max-content;
    }
    #information .container{
        max-width: unset;
    }
}


/*******************************/
/******* Page Header CSS *******/
/*******************************/
.page-header {
    position: relative;
    margin-bottom: 45px;
    padding: 210px 0 90px 0;
    text-align: center;
    background: linear-gradient(rgba(0, 0, 0, .6), rgba(0, 0, 0, .6)), url(../img/study.webp);
    /* background-attachment: fixed; */
    background-position: center bottom;
    background-repeat: no-repeat;
    background-size: cover;
}

.page-header h2 {
    position: relative;
    color: #aef4d0;
    font-size: 60px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 5px;
}

.page-header h2::after {
    position: absolute;
    content: "";
    width: 100px;
    height: 2px;
    left: calc(50% - 50px);
    bottom: 0;
    background: #aef4d0;
}

.page-header a {
    position: relative;
    padding: 0 12px;
    font-size: 22px;
    color: #ffffff;
}

.page-header a:hover {
    color: #aef4d0;
}

.page-header a::after {
    position: absolute;
    content: "/";
    width: 8px;
    height: 8px;
    top: -2px;
    right: -7px;
    text-align: center;
    color: #ffffff;
}

.page-header a:last-child::after {
    display: none;
}

@media (max-width: 991.98px) {
    .page-header {
        padding: 60px 0;
    }

    .page-header h2 {
        font-size: 45px;
    }

    .page-header a {
        font-size: 20px;
    }
}

@media (max-width: 767.98px) {
    .page-header {
        padding: 45px 0;
    }

    .page-header h2 {
        font-size: 35px;
    }

    .page-header a {
        font-size: 18px;
    }
}


/*******************************/
/******* Section Header ********/
/*******************************/
.section-header {
    position: relative;
    width: 100%;
    max-width: 700px;
    margin: auto;
    /* margin: 0 auto 45px auto; */
}

.section-header p {
    margin-bottom: 5px;
    position: relative;
    font-size: 22px;
    font-weight: 600;
    text-transform: capitalize;
    color: #aef4d0;
}

.section-header h2 {
    margin: 0 0 25px 0;
    font-size: 40px;
    font-weight: 700;
    text-align: center;
}

@media (max-width: 991.98px) {
    .section-header h2 {
        font-size: 37px;
    }
}

@media (max-width: 767.98px) {
    .section-header h2 {
        font-size: 28px;
    }
}

@media (max-width: 575.98px) {
    .section-header h2 {
        font-size: 22px;
    }
}


/*******************************/
/********** About CSS **********/
/*******************************/
.about {
    position: relative;
    width: 100%;
    padding: 45px 0 0 0;
    background: #aef4d0;
}

.about .section-header {
    margin-bottom: 30px;
    margin-left: 0;
}

.about .about-img {
    width: 100%;
    height: 100vh;
}

.about .col-sm-5 {
    display: flex;
    justify-content: center;
}

.about_img {
    width: 100%;
    max-width: 200px;
    align-items: center;
}

.about .about-tab {
    width: 100%;
}

.about .about-tab .nav.nav-pills .nav-link {
    padding: 8px;
    font-weight: 600;
    background: none;
    border-radius: 0;
    border-bottom: 1px solid rgba(0, 0, 0, .15);
    transition: none;
}

.about .about-tab .nav.nav-pills .nav-link:hover,
.about .about-tab .nav.nav-pills .nav-link.active {
    color: #aef4d0;
    padding-bottom: 7px;
    border-bottom: 3px solid #aef4d0;
}

.about .about-tab .tab-content {
    padding: 15px 0 0 0;
    background: transparent;
}

.about .about-tab .tab-content .container {
    padding: 0;
}

/* @media (max-width: 991.98px) {
    .about .section-header {
        margin-top: 30px;
    }
} */
.slogan {
    text-align: center;
    margin: 25px 0;
}

.slogan span {
    background: #000;
    color: #fff;
    border-radius: 8px;
    padding: 5px 14px;
    width: auto !important;
    text-align: center;
}
.jigyo .section-header {
    margin-bottom:0;
}

@media (max-width: 767.98px) {
    .jigyo .section-header{
      margin-top: 30px;
    }
}

/*******************************/
/********* Service CSS *********/
/*******************************/
.service {
    position: relative;
    width: 100%;
    padding: 45px 0 15px 0;
}

.service .service-item {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 45px;
    transition: .3s;
}

.service .service-icon {
    position: relative;
    width: 60px;
}

.service .service-icon i {
    position: relative;
    display: block;
    color: #aef4d0;
    font-size: 60px;
    line-height: 60px;
    margin-top: 5px;
}

.service .service-text {
    position: relative;
    margin-left: 20px;
    padding-left: 20px;
}

.service .service-text::before {
    position: absolute;
    content: "";
    width: 1px;
    height: calc(100% - 10px);
    top: 5px;
    left: 0;
    /* background: rgba(0, 0, 0, .1); */
    background: rgba(255, 255, 255, 0.3);
}

.service .service-text::after {
    position: absolute;
    content: "";
    width: 3px;
    height: 40px;
    top: calc(50% - 20px);
    left: -1px;
    background: #aef4d0;
}

.service .service-text h3 {
    margin-bottom: 10px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 1px;
}

.service .service-text p {
    margin: 0;
}

.service .service-text a {
    text-decoration: underline;
    color: #fff;
}


/*******************************/
/********* Donate CSS **********/
/*******************************/
.donate {
    position: relative;
    width: 100%;
    padding: 45px 0;
    padding-top: 45px 0;
    background: linear-gradient(rgba(0, 0, 0, .6), rgba(0, 0, 0, .6)), 
                url('../img/contact.png'); 
    background-size: cover;
    background-position: center; 
    background-repeat: no-repeat;; 
}

.donate .donate-content {
    padding: 45px 0 15px 0;
}

.container .donate {
    margin: 90px 0;
}

.control-group label {
    color: #fff;
    width: 160px;
    vertical-align: middle;
}

/* .container .donate .donate-content {
    padding: 45px 30px 15px 30px;
} */

.donate .donate-content .section-header {
    margin-bottom: 30px;
}

.donate .donate-content .section-header h2 {
    color: #ffffff;
}

.donate .donate-text p {
    color: #ffffff;
    font-size: 16px;
}

.donate .donate-form {
    padding: 45px 0px;
}

.donate .donate-form .control-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.donate .donate-form .form-control {
    height: 60px;
    color: #000;
    padding: 0 15px;
    border-radius: 5px;
    /* border: 1px solid #ffffff; */
    /* background: #fff; */
}

.donate .donate-form .form-control::placeholder {
    color: #ffffff;
    opacity: 1;
}

.donate .donate-form .form-control:-ms-input-placeholder,
.donate .donate-form .form-control::-ms-input-placeholder {
    color: #ffffff;
}

.donate .donate-form .btn-group {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.donate .donate-form .btn.btn-custom {
    padding: 15px 0;
    width: 100%;
    height: 60px;
    color: #ffffff;
    border: 1px solid #ffffff;
    box-shadow: inset 0 0 0 0 #ffffff;
}

.donate .donate-form .btn.btn-custom:hover,
.donate .donate-form .btn.btn-custom.active {
    color: #aef4d0;
    border: 1px solid #ffffff;
    box-shadow: inset 0 0 0 30px #ffffff;
}

/*******************************/
/*********** Team CSS **********/
/*******************************/
.team {
    position: relative;
    width: 100%;
    padding: 45px 0 15px 0;
}

.team .team-item {
    position: relative;
    margin-bottom: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.team .team-img {
    position: relative;
    /* overflow: hidden; */
    display: flex;
    justify-content: center;
    align-items: center;
}

.team .team-img img {
    width: 85%;
    transform: scale(1.1);
    margin-bottom: -70px;
    /* transition: .3s; */
}

/* .team .team-item:hover img {
    margin: -15px 0 0 0;
} */

.team .team-text {
    position: relative;
    width: calc(100% - 40px);
    /* height: 96px; */
    /* bottom: 0; */
    left: 0px;
    padding: 22px 10px;
    text-align: center;
    background: #ffffff;
    /* transition: .3s; */
    overflow: hidden;
    z-index: 10;
}

.team .team-text h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.team .team-text p {
    margin-bottom: 20px;
}

.team .team-social {
    position: relative;
    font-size: 0;
}

.team .team-social a {
    display: inline-block;
    width: 35px;
    height: 35px;
    margin: 0 3px;
    padding: 5px 0;
    text-align: center;
    font-size: 14px;
    color: #4a4c70;
    border: 2px solid #aef4d0;
    /* transition: .3s; */
}

.team .team-text h2 span {
    width: auto;
    display: block;
    -webkit-transform: skewX(15deg);
    transform: skewX(-15deg);
    padding: 5px 10px;
    font-size: 18px;
    color: #fff;
}

/* color setting : 1st */
.team .row .col-lg-4:first-child img {
	-webkit-box-shadow: 10px 10px 0 0 #70a6ff;
	box-shadow: 10px 10px 0 0 #70a6ff;
}
.team .row .col-lg-4:first-child .team-text h2 span {
    background: #70a6ff; 
}

/* color setting : 2nd */
.team .row .col-lg-4:nth-child(2) img {
    -webkit-box-shadow: 10px 10px 0 0 #ffcc75;
    box-shadow: 10px 10px 0 0 #ffcc75;
}
.team .row .col-lg-4:nth-child(2) .team-text h2 span {
    background: #ffcc75; 
}

/* color setting : 3rd */
.team .row .col-lg-4:nth-child(3) img {
    -webkit-box-shadow: 10px 10px 0 0 #a58eff;
    box-shadow: 10px 10px 0 0 #a58eff; 
}
.team .row .col-lg-4:nth-child(3) .team-text h2 span {
    background: #a58eff;
}


/*******************************/
/********** Event CSS **********/
/*******************************/
.event {
    /* position: relative; */
    width: 100%;
    padding: 45px 0 15px 0;
}

.event .event-item {
    margin-bottom: 30px;
    background: #f3f6ff;
}

.event .event-item img {
    width: 100%;
}

.event .event-content {
    padding: 30px;
    display: flex;
}

.event .event-meta {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

.event .event-meta p {
    position: relative;
    margin-bottom: 8px;
    padding-bottom: 8px;
    white-space: nowrap;
    border-bottom: 1px solid rgba(0, 0, 0, .15);
}

.event .event-meta p:last-child {
    border-bottom: none;
}

.event .event-meta i {
    color: #4a4c70;
    width: 25px;
}

.event .event-text {
    position: relative;
    margin-left: 20px;
    padding-left: 20px;
}

.event .event-text::before {
    position: absolute;
    content: "";
    width: 1px;
    height: calc(100% - 5px);
    top: 6px;
    left: 0;
    background: rgba(0, 0, 0, .15);
}

.event .event-text::after {
    position: absolute;
    content: "";
    width: 3px;
    height: 40px;
    top: calc(50% - 20px);
    left: -1px;
    background: #aef4d0;
}
.event.map .event-text::after {
    background: #3b5ca6 !important;
}

.event .event-text h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.event .event-text p {
    margin: 0;
}

.event .btn.btn-custom {
    margin-top: 20px;
    padding: 8px 30px;
}

.triangle_img{
    position: relative;
}

.tria_tt {
    position: absolute;
    display: block;
    bottom: 0; 
    right: 0; 
    width: 0; 
    height: 0; 
    border-style: solid; 
    border-width: 150px 150px 0 0; 
    border-color: transparent rgba(174, 244, 208, 0.9) transparent transparent; 
    z-index: 2; 
}
.icon_pdf{
    padding: 0 15px;
}
.icon_pdf img{
    height: 20px;
}
.icon_pdf span{
    line-height: 3;
    color: #95c435;
    text-decoration: underline;
}
.icon_pdf span:hover{
    color: #aef4d0;
}
@media (max-width: 575.98px) {
    .event .event-content {
        flex-direction: column;
    }

    .event .event-meta {
        flex-direction: row;
    }

    .event .event-meta p {
        font-size: 14px;
        padding-right: 7px;
    }

    .event .event-meta p:last-child {
        border-bottom: 1px solid rgba(0, 0, 0, .15);
    }

    .event .event-meta i {
        width: 18px;
    }

    .event .event-text {
        margin: 0;
        padding: 0;
    }

    .event .event-text::before,
    .event .event-text::after {
        display: none;
    }
}



/*******************************/
/*********** Blog CSS **********/
/*******************************/


.blog {
    position: relative;
    width: 100%;
    padding: 45px 0;
}

.blog .blog-item {
    /* margin-bottom: 30px; */
    padding-bottom: 30px;
    background: #f3f6ff;
}

.blog .blog-img {
    width: 100%;
}

.blog .blog-img img {
    width: 100%;
}

.blog .blog-text {
    padding: 15px;
    /* padding: 30px 30px 15px 30px; */
}
.justify{
    text-align: justify;
}

.blog .blog-text h3 {
    font-size: 20px;
    font-weight: 700;
}

.blog .blog-text h3 a {
    color: #4a4c70;
}

.blog .blog-text h3 a:hover {
    color: #aef4d0;
}

.blog .blog-text p {
    margin: 0;
    padding: 0 15px;
}

.infor {
    background-color: #1a294a;
    padding: 45px 0;
}

.infor a {
    width: 100%;
}

.infor h2 {
    color: #fff;
}

.infor .blog-text {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

#information .col_1{
    min-width: 10px;
    text-align: right; 
    flex-shrink: 0;
}
#information .col_2{
    min-width: 110px;
    max-width: 120px;
    padding-right: 0;
    flex-shrink: 0; 
}
#information p{
    padding-left: 0;
    padding-right: 0;
}
#information .infor_text {
    flex-grow: 1; 
    padding: 0;
    text-align: left;
}
/* #information .col-9{
    padding: 0;
    text-align: left;
} */
#information .col-1, #information .col_2, #information .col-10{
    padding: 0;
}
#information .blog-text{
 padding-left: 0;
 padding-right: 0;
}
.curriculum .blog-text {
    padding: 0 10%;
    text-align: center;
}
.curriculum .col-4 {
    padding: 0;
    margin: auto 0;
}
.curriculum img{
    width: 100%;
}

.infor .date {
    padding-right: 10%;
}

.infor .click {
    padding-left: 10%;
    text-align: right;
}

.infor p {
    color: #fff;
}

.infor .blog-meta {
    border-top: 1px solid #fff !important;
}

.blog .blog-meta {
    /* margin: 0 30px; */
    /* padding-top: 15px; */
    display: flex;
    border-top: 1px solid rgba(0, 0, 0, .15);
}

.blog .blog-meta p {
    margin: 0;
    color: #777777;
    padding: 0 30px;
    border-right: 1px solid rgba(0, 0, 0, .15);
}

.blog .blog-meta p:first-child {
    padding-left: 0;
}

.blog .blog-meta p:last-child {
    padding-right: 0;
    border: none;
}

.blog .blog-meta i {
    color: #4a4c70;
    margin-right: 8px
}

.blog .pagination {
    margin-bottom: 15px;
}

.blog .pagination .page-link {
    color: #4a4c70;
    border-radius: 0;
    border-color: #4a4c70;
}

.blog .pagination .page-link:hover,
.blog .pagination .page-item.active .page-link {
    color: #aef4d0;
    background: #4a4c70;
}

.blog .pagination .disabled .page-link {
    color: #999999;
}

.connect h3 {
    color: #fff;
    text-align: center;
    padding: 25px 0;
    font-size: 40px;

}

.connect .blog-img {
    width: 60%;
    min-width: 200px;
    margin: 0 auto 10px auto;
}

.connect .blog-text {
    color: #fff;
    height: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: justify;
}

.sns h3 {
    text-align: center;
    font-size: 40px;
}

.sns_logo {
    display: flex;
    justify-content: center;
}

.sns .sns_logo img {
    height: 50px;
    object-fit: contain;
    width: auto;
}

.jibc_logo {
    display: flex;
    justify-content: center;
}

.jibc_logo img {
    max-height: 70px;
    width: auto !important;
}

.go_btn {
    text-align: center;
}

.go_btn .btn.btn-custom {
    border-radius: 5px;
    color: #fff;
}

.center_line {
    position: relative;
    padding: 0 65px;
    text-align: center;
}

.center_line::before {
    position: absolute;
    top: calc(50% - 1px);
    left: 0;
    width: 100%;
    height: 2px;
    content: '';
    background: #fff;
}

.center_line span {
    position: relative;
    padding: 0 1em;
    color: #fff;
    background: #1a294a;
}

.web_video {
    width: 100%;
    height: 220px;
}

/*******************************/
/********* Contact CSS *********/
/*******************************/
.contact {
    position: relative;
    width: 100%;
    padding: 45px 0;
}

.contact .contact-img {
    position: relative;
    width: 100%;
}

.contact .contact-img img {
    width: 100%;
    height: 440px;
    object-fit: cover;
}

.contact .contact-form {
    position: relative;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    margin-top: -220px;
    padding: 30px;
    background: #f3f6ff;
}

@media (max-width: 991.98px) {
    .contact .contact-form {
        max-width: 600px;
    }
    .connect .blog-text {
        height: 180px;
    }
    .blog .go_btn{
      margin-bottom: 15px;
    }
}

@media (max-width: 767.98px) {
    .contact .contact-form {
        max-width: 400px;
    }

    .donate .donate-form .control-group {
        display: block;
    }

    .connect .blog-text {
        height: auto;
    }
}

@media (max-width: 575.98px) {
    .contact .contact-form {
        max-width: 300px;
    }
    .infor .blog-text {
        padding: 15px 0;
    }
    .curriculum .col-lg-12{
        padding: 0;
    }
    .curriculum .row{
        width: 95%;
        margin: auto;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
    .curriculum .col-4 {
        padding: 0;
    }

    .curriculum .blog-text {
        padding: 0;
    }

    .curriculum .nextbtn span {
        padding: 6px 30px;
    }
}

.contact .contact-form input {
    padding: 15px;
    background: none;
    border-radius: 0;
    border: 1px solid rgba(0, 0, 0, .1);
}

.contact .contact-form textarea {
    height: 150px;
    padding: 8px 15px;
    background: none;
    border-radius: 0;
    border: 1px solid rgba(0, 0, 0, .1);
}

.contact .contact-form .btn.btn-custom {
    width: 100%;
}

.contact .help-block ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
}



/*******************************/
/********* Footer CSS **********/
/*******************************/
.footer {
    background: #1a294a;
}
.footer .footer-contact p i {
    width: 25px;
}

.footer .footer-social {
    position: relative;
    margin-top: 20px;
}

.footer .copyright {
    padding: 20px 0;
}

.footer .copyright p {
    color: #fff;
    text-align: center;
    margin-top: 1rem;
    padding: 0 15px;
}


/*******************************/
/********* Timeline CSS ********/
/*******************************/
.timeline {
    position: relative;
    padding: 45px 0;
}

.timeline .timeline-start {
    position: relative;
    width: calc(100% + 30px);
    left: -15px;
    right: -15px;
}

.timeline .timeline-container {
    padding: 0 15px;
    position: relative;
    background: inherit;
    width: 50%;
    margin-top: -5px;
}

.timeline .timeline-container.left {
    left: 0;
}

.timeline .timeline-container.right {
    left: 50%;
}

.timeline .timeline-container::before {
    content: '';
    position: absolute;
    width: 15px;
    height: 5px;
    background: #ffcc75;
    z-index: 1;
}

.timeline .timeline-container.left::before {
    top: 0;
    right: 0;
}

.timeline .timeline-container.right::before {
    bottom: 0;
    left: 0;
}

.timeline .timeline-container::after {
    content: '';
    position: absolute;
    width: 15px;
    height: 5px;
    background: #ffcc75;
    z-index: 1;
}

.timeline .timeline-container.left::after {
    bottom: 0;
    right: 0;
}

.timeline .timeline-container.right::after {
    top: 0;
    left: 0;
}

.timeline .timeline-container:first-child::before,
.timeline .timeline-container:last-child::before {
    display: none;
}

.timeline .timeline-container .timeline-content {
    padding: 30px;
    background: #1a294a;
    position: relative;
    border-right: 5px solid #ffcc75;
}

.timeline .timeline-container.right .timeline-content {
    border-left: 5px solid #ffcc75;
}

.timeline .timeline-container .timeline-content h2 {
    margin-bottom: 15px;
    font-size: 22px;
    font-weight: 600;
    color: #aef4d0;
}

.timeline .timeline-container .timeline-content h2 span {
    display: inline-block;
    margin-right: 15px;
    padding: 5px 10px;
    color: #121518;
    background: #aef4d0;
    font-family: 'Roboto', sans-serif;
    font-style: normal;
}

.timeline .timeline-container .timeline-content p {
    margin: 0;
    font-size: 16px;
    color: #fff;
}

@media (max-width: 767.98px) {
    .timeline .timeline-container {
        width: 100%;
        margin-top: 0;
        padding-left: 15px;
        padding-right: 15px;
        padding-bottom: 30px;
    }

    .timeline .timeline-container:last-child {
        padding-bottom: 0;
    }

    .timeline .timeline-container.right {
        left: 0%;
    }

    .timeline .timeline-container.left::after,
    .timeline .timeline-container.right::after,
    .timeline .timeline-container.left::before,
    .timeline .timeline-container.right::before {
        width: 5px;
        height: 35px;
        left: 15px;
    }

    .timeline .timeline-container.left .timeline-content,
    .timeline .timeline-container.right .timeline-content {
        border-left: 5px solid #aef4d0;
        border-right: none;
    }
}

.div_box {
    position: relative;
    background: #dfefff;
    box-shadow: 0px 0px 0px 5px #dfefff;
    border: dashed 2px white;
    padding: 0.2em 0.5em;
    color: #454545;
    display: flex; 
    flex-direction: column;
    height: 100%; 
  }

  .div_box:after {
    position: absolute;
    content: '';
    right: -7px; 
    bottom: -7px; 
    border-width: 15px 15px 0 0; 
    border-style: solid;
    border-color: #a8d4ff #fff #fff #fff; 
    box-shadow: -1px -1px 1px rgba(0, 0, 0, 0.15); 
}
.div_box h5{
    min-height: 56px;
}

/*******************************/
/******** newspaper CSS ********/
/*******************************/

.newspaper{
    padding: 55px 0; 
}
.newspaper .content{
    font-weight: bold;
    padding: 2em;
    margin-left: 5px;
    margin-right: 5px;
    outline: 3px solid #aef4d0;
    outline-offset: 5px;
    background: linear-gradient(-45deg, transparent 0 20px, #fff 20px calc(100% - 20px), transparent calc(100% - 20px)),
                repeating-linear-gradient(-45deg, #aef4d0 0 2px, #fff 2px 6px);
  }
  .newspaper img{
    width: 100%;
  }

  /*========================================
  course
========================================*/

.courseList {
	display: flex;
	flex-flow: row wrap;
	justify-content: space-between;
	margin-top: -60px;
	padding: 0 20px;
}
.courseList li {
	position: relative;
	width: 570px;
	margin-top: 60px;
}
.courseList li .courseImg {
	position: relative;
	z-index: 0;
	width: 570px;
	-webkit-box-shadow: 20px 20px 0 0 #00DBFF;
	box-shadow: 20px 20px 0 0 #00DBFF;
}
.courseList li .courseText {
	position: relative;
	z-index: 10;
	width: 490px;
	margin: -80px auto 0;
	padding: 0 40px 40px;
	background-color: #FFF;
	text-align: center;
	-webkit-box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
	box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}
.courseList li .courseText h3 {
	width: 400px;
	margin: 0 auto -30px;
	padding: 36px 0;
	background-color: #00DBFF;
	font-size: 3rem;
	-webkit-box-shadow: 5px 5px 0 0 #00BCFF;
	box-shadow: 5px 5px 0 0 #00BCFF;
	-webkit-transform: translate(0,-50%) skewX(-15deg);
	transform: translate(0,-50%) skewX(-15deg);
}
.courseList li .courseText h3 span {
	display: block;
	-webkit-transform: skewX(15deg);
	transform: skewX(15deg);
}
.courseList li .courseText p {
	font-size: 1.8rem;
}
.courseList li .courseText .tuitionValue {
	margin-top: 24px;
	padding: 24px 20px;
	background: url("../../common/images/bg_stripe.png") repeat center top;
	text-align: center;
}
.courseList li .courseText .tuitionValue dt {
	position: relative;
	padding-bottom: 30px;
	font-weight: bold;
	font-size: 2.4rem;
}
.courseList li .courseText .tuitionValue dt::after {
	content: "";
	position: absolute;
	left: 50%;
	bottom: 20px;
	display: block;
	width: 60px;
	height: 2px;
	margin-left: -30px;
	background-color: #00BCFF;
}
.courseList li .courseText .tuitionValue dd {
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
}
.courseList li .courseText .tuitionValue dd span[class^=star-] {
	display: block;
	overflow: hidden;
	width: 60px;
	height: 0;
	padding-top: 60px;
}
.courseList li .courseText .tuitionValue dd span.star-on {
	background: url("../../common/images/icon_star_bl.png") no-repeat center center;
	background-size: contain;
}
.courseList li .courseText .tuitionValue dd span.star-off {
	background: url("../../common/images/icon_star_gy.png") no-repeat center center;
	background-size: contain;
}

.courseList li .courseText .btnSet {
	margin-top: 40px;
}
.courseList li .courseText .btn {
	min-width: 320px;
}

@media screen and (max-width: 540px) {
	.courseList {
		margin-top: -40px;
		padding: 0;
	}
	.courseList li {
		width: 100%;
		margin-top: 40px;
	}
	.courseList li .courseImg {
		width: 100%;
		-webkit-box-shadow: 10px 10px 0 0 #00DBFF;
		box-shadow: 10px 10px 0 0 #00DBFF;
	}
	.courseList li .courseImg img {
		display: block;
		max-width: 100%;
		height: auto;
	}
	.courseList li .courseText {
		width: calc(100% - 32px);
		margin: -16px auto 0;
		padding: 0 16px 20px;
	}
	.courseList li .courseText h3 {
		width: 100%;
		margin: 0 auto -20px;
		padding: 20px 0;
		font-size: 2rem;
	}
	.courseList li .courseText p {
		font-size: 1.4rem;
	}
	.courseList li .courseText .tuitionValue {
		margin-top: 20px;
		padding: 16px;
	}
	.courseList li .courseText .tuitionValue dt {
		padding-bottom: 30px;
		font-size: 1.8rem;
	}
	.courseList li .courseText .tuitionValue dt::after {
		width: 40px;
		margin-left: -20px;
	}
	.courseList li .courseText .tuitionValue dd {
		display: flex;
		flex-flow: row nowrap;
		justify-content: space-between;
	}
	.courseList li .courseText .tuitionValue dd span[class^=star-] {
		width: 18%;
		height: 0;
		padding-top: 18%;
	}
	.courseList li .courseText .btnSet {
		margin-top: 20px;
	}
	.courseList li .courseText .btn {
		min-width: 100%;
	}
}

/* color setting : 1st */
.courseList li:nth-child(4n+2) .courseImg {
	-webkit-box-shadow: 20px 20px 0 0 #00DBFF;
	box-shadow: 20px 20px 0 0 #00DBFF;
}
.courseList li:nth-child(4n+2) .courseText h3 {
	background-color: #00DBFF;
	-webkit-box-shadow: 5px 5px 0 0 #00BCFF;
	box-shadow: 5px 5px 0 0 #00BCFF;
}
.courseList li:nth-child(4n+2) .courseText .tuitionValue dd span.star-on {
	background: url("../../common/images/icon_star_bl.png") no-repeat center center;
	background-size: contain;
}
.courseList li:nth-child(4n+2) .courseText .tuitionValue dt::after {
	background-color: #00BCFF;
}
.courseList li:nth-child(4n+2) .courseText .btn {
	background-color: #00BCFF;
}

/* color setting : 2nd */
.courseList li:nth-child(4n+1) .courseImg {
	-webkit-box-shadow: 20px 20px 0 0 #FF3F8C;
	box-shadow: 20px 20px 0 0 #FF3F8C;
}
.courseList li:nth-child(4n+1) .courseText h3 {
	background-color: #FF3F8C;
	-webkit-box-shadow: 5px 5px 0 0 #FF1F5F;
	box-shadow: 5px 5px 0 0 #FF1F5F;
}
.courseList li:nth-child(4n+1) .courseText .tuitionValue dd span.star-on {
	background: url("../../common/images/icon_star_rd.png") no-repeat center center;
	background-size: contain;
}
.courseList li:nth-child(4n+1) .courseText .tuitionValue dt::after {
	background-color: #FF3F8C;
}
.courseList li:nth-child(4n+1) .courseText .btn {
	background-color: #FF3F8C;
}

/* color setting : 3rd */
.courseList li:nth-child(4n) .courseImg {
	-webkit-box-shadow: 20px 20px 0 0 #1CDD00;
	box-shadow: 20px 20px 0 0 #1CDD00;
}
.courseList li:nth-child(4n) .courseText h3 {
	background-color: #1CDD00;
	-webkit-box-shadow: 5px 5px 0 0 #03C000;
	box-shadow: 5px 5px 0 0 #03C000;
}
.courseList li:nth-child(4n) .courseText .tuitionValue dd span.star-on {
	background: url("../../common/images/icon_star_gr.png") no-repeat center center;
	background-size: contain;
}
.courseList li:nth-child(4n) .courseText .tuitionValue dt::after {
	background-color: #03C000;
}
.courseList li:nth-child(4n) .courseText .btn {
	background-color: #03C000;
}

/* color setting : 4th */
.courseList li:nth-child(4n+3) .courseImg {
	-webkit-box-shadow: 20px 20px 0 0 #FFBF00;
	box-shadow: 20px 20px 0 0 #FFBF00;
}
.courseList li:nth-child(4n+3) .courseText h3 {
	background-color: #FFBF00;
	-webkit-box-shadow: 5px 5px 0 0 #FF8F00;
	box-shadow: 5px 5px 0 0 #FF8F00;
}
.courseList li:nth-child(4n+3) .courseText .tuitionValue dd span.star-on {
	background: url("../../common/images/icon_star_yw.png") no-repeat center center;
	background-size: contain;
}
.courseList li:nth-child(4n+3) .courseText .tuitionValue dt::after {
	background-color: #FF8F00;
}
.courseList li:nth-child(4n+3) .courseText .btn {
	background-color: #FF8F00;
}

@media screen and (max-width: 540px) {
	.courseList li:nth-child(4n+1) .courseImg {
		-webkit-box-shadow: 10px 10px 0 0 #00DBFF;
		box-shadow: 10px 10px 0 0 #00DBFF;
	}
	.courseList li:nth-child(4n+2) .courseImg {
		-webkit-box-shadow: 10px 10px 0 0 #FF3F8C;
		box-shadow: 10px 10px 0 0 #FF3F8C;
	}
	.courseList li:nth-child(4n+3) .courseImg {
		-webkit-box-shadow: 10px 10px 0 0 #1CDD00;
		box-shadow: 10px 10px 0 0 #1CDD00;
	}
	.courseList li:nth-child(4n) .courseImg {
		-webkit-box-shadow: 10px 10px 0 0 #FFBF00;
		box-shadow: 10px 10px 0 0 #FFBF00;
	}
}

ol {
    margin: 0 auto; /* Căn giữa theo chiều ngang */
    list-style: none;
    padding: 0;
    --hue: 1;
    --unit: 1rem;

    /* display: flex; 
    flex-wrap: wrap; 
    justify-content: center; 
    align-items: center; */
}
  .event-date {
    margin: 0 0 0.25rem;
    font-weight: bold;
  }
  .event-description {
    margin: 0;
  }
  li {
    --height: 7rem;
    position: relative;
    display: block;
    background-color: hsl(calc(var(--hue)*360/20),90%,65%);
    border-color: hsl(calc(var(--hue)*360/20),90%,65%);
    padding: 1rem;
    margin: 2rem 0;
  }
  li::before {
    content: "";
    background-color: inherit;
    position: absolute;
    display: block;
    width: var(--unit);
    height: var(--unit);
    top: 100%;
    left: calc(50% - (var(--unit)/2));
  }
  li::after {
    content: "";
    position: absolute;
    display: block;
    top: calc(100% + var(--unit));
    left: calc(50% - (var(--unit)));
    border: var(--unit) solid transparent;
    border-top-color: inherit;
  }
  li:last-child::before,
  li:last-child::after {
    content: none;
  }
  li:nth-child(20n+1){
    --hue: 1;
  }
  li:nth-child(20n+2){
    --hue: 2;
  }
  li:nth-child(20n+3){
    --hue: 3;
  }
  li:nth-child(20n+4){
    --hue: 4;
  }
  li:nth-child(20n+5){
    --hue: 5;
  }
  li:nth-child(20n+6){
    --hue: 6;
  }
  @media (min-width: 550px) and (max-width: 899px){
    li {
      margin: 1rem;
      width: calc(50% - 2rem);
      float: left;
      min-height: var(--height);
    }
    li:nth-child(4n+3),
    li:nth-child(4n+4) {
      float: right;
    }
    li:nth-child(4n+1)::before {
      top: calc(var(--height)/2 + var(--unit)/2);
      left: 100%;
    }
    li:nth-child(4n+1)::after {
      top: calc(var(--height)/2);
      left: calc(100% + (var(--unit)));
      border: var(--unit) solid transparent;
      border-left-color: inherit;
    }
    li:nth-child(4n+3)::before {
      top: calc(var(--height)/2 + var(--unit)/2);
      left: -1rem;
    }
    li:nth-child(4n+3)::after {
      top: calc(var(--height)/2);
      left: -3rem;
      border: var(--unit) solid transparent;
      border-right-color: inherit;
    }
  }
  @media (min-width: 900px) and (max-width: 1199px){
    li {
      margin: 1rem;
      width: calc(33.33% - 2rem);
      float: left;
      min-height: 7rem;
    }
    li:nth-child(6n+4),
    li:nth-child(6n+5),
    li:nth-child(6n+6) {
      float: right;
    }
    li:nth-child(6n+1)::before,
    li:nth-child(6n+2)::before {
      top: calc(var(--height)/2 + var(--unit)/2);
      left: 100%;
    }
    li:nth-child(6n+1)::after,
    li:nth-child(6n+2)::after {
      top: 3.5rem;
      left: calc(100% + (var(--unit)));
      border: var(--unit) solid transparent;
      border-left-color: inherit;
    }
    li:nth-child(6n+4)::before,
    li:nth-child(6n+5)::before{
      top: calc(var(--height)/2 + var(--unit)/2);
      left: -1rem;
    }
    li:nth-child(6n+4)::after,
    li:nth-child(6n+5)::after{
      top: calc(var(--height)/2);
      left: -3rem;
      border: var(--unit) solid transparent;
      border-right-color: inherit;
    }
  }
  @media (min-width: 1200px){
    ol {
      max-width: 1600px;
      margin: 0 auto;
    }
    li {
      margin: 1rem;
      width: calc(25% - 2rem);
      float: left;
      min-height: 7rem;
    }
    li:nth-child(8n+5),
    li:nth-child(8n+6),
    li:nth-child(8n+7),
    li:nth-child(8n+8){
      float: right;
    }
    li:nth-child(8n+1)::before,
    li:nth-child(8n+2)::before,
    li:nth-child(8n+3)::before{
      top: calc(var(--height)/2 + var(--unit)/2);
      left: 100%;
    }
    li:nth-child(8n+1)::after,
    li:nth-child(8n+2)::after,
    li:nth-child(8n+3)::after{
      top: calc(var(--height)/2);
      left: calc(100% + (var(--unit)));
      border: var(--unit) solid transparent;
      border-left-color: inherit;
    }
    li:nth-child(8n+5)::before,
    li:nth-child(8n+6)::before,
    li:nth-child(8n+7)::before {
      top: calc(var(--height)/2 + var(--unit)/2);
      left: -1rem;
    }
    li:nth-child(8n+5)::after,
    li:nth-child(8n+6)::after,
    li:nth-child(8n+7)::after {
      top: calc(var(--height)/2);
      left: -3rem;
      border: var(--unit) solid transparent;
      border-right-color: inherit;
    }
  }

  .chatbox {
    position: relative;
    padding: 5px 15px;
    border-radius: 10px;
    background: #aef4d0;
}

.chatbox:after {
    position: absolute;
    top: 5em; 
    left: -10px; 
    height: 0;
    content: '';
    border-width: 10px 10px 10px 0; 
    border-style: solid;
    border-color: transparent #aef4d0 transparent transparent; 
}


@media (min-width: 991px) {
    .border_div{
        width: 100%;
        border: 1px solid #d0d8bb;
        margin-bottom: 25px;
    }
    .hackathon .section-header{
        background-color: rgba(255, 247, 247, 0.9); 
        padding: 20px; 
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); 
        transform: translateY(-50%); 
        position: absolute; 
        top: 50%;
        left: -27%; 
        z-index: 10; 
        width: 60vw; 
        /* max-width: calc(100% - 30px);  */
    }
}

@media (max-width: 767.98px) {
    .hackathon .about_img {
        margin-bottom: 30px;
    }
}
@media screen and (max-width: 500px) {
    .phone_none{
        display: none;
    }
}