.navbar{
    -webkit-box-shadow: 0px 2px 10px 0px rgba(40, 40, 40, 0.41);
    -moz-box-shadow: 0px 2px 10px 0px rgba(40, 40, 40, 0.41);
    box-shadow: 0px 2px 10px 0px rgba(40, 40, 40, 0.41);
}
.dislay-flex{
    display: flex;
}
#course_study_special_1.event-default .section_info{
    background: #40AFE3;
    min-height: 300px;
    padding-top: 50px;
    padding-bottom: 100px;
    background: url('/theme/vuihoc/imgs/study-special/top_banner_blue.png') #40AFE3 no-repeat center center;
    background-size: 70% auto;
    background-position: calc(50% + 50px) 100%;
}
#course_study_special_1.mon-4 .section_info{
    background: #FAF9DD;
    background: url('/theme/vuihoc/imgs/study-special/top_banner_cl-min.png') #FAF9DD no-repeat center center;
    background-size: 100% auto;
    background-position: center bottom;
}
#course_study_special_1.mon-4 .section_info * {
    color: #333 !important;
}
#course_study_special_1.mon-4 .section_info h1 {
    color: #333 !important;
}
#course_study_special_1 .right-banner-header{
    background: url(/theme/vuihoc/imgs/study-special/yola_kid1.png) no-repeat center center;
    background-position: bottom -3px center;
    background-size: auto 100%;
    background-clip: content-box;
    object-fit: fill;
    height: 100%;
    width: auto;
}
#course_study_special_1 .section_info *{
    font-family: Quicksand;
    font-size: 18px;
    color: #FFF;
}
#course_study_special_1 .section_info h1{
    font-family: Quicksand;
    font-style: normal;
    font-size: 22px;
    text-transform: uppercase;
    color: #FFF;
    margin-top: 0;
    margin-bottom: 5px;
}
#course_study_special_1 .section_info h3{
    font-family: Quicksand;
    font-style: normal;
    font-weight: bold;
    font-size: 50px;
    text-transform: uppercase;
    color: #FFF;
}
#course_study_special_1 .section_video{
    background: #FFF;
}
#course_study_special_1 .course_description{
    margin-top: 15px;
    margin-bottom: 0;
    font-family: Quicksand;
    font-style: normal;
    font-weight: 500;
    font-size: 18px;
    line-height: 22px;
    color: #FFF;
}
#main-video{
    position: relative;
    margin-top: -100px;
    width: 100%;
    min-height: 500px;
    border-radius: 5px;
    overflow: hidden;
    border: 3px dashed #ff5520;
}
#main-videos{
    position: relative;
    margin-top: -100px;
    width: 100%;
    min-height: 200px;
    overflow: hidden;
}
#main-videos .lesson-video{
    padding: 0 1px;
    margin-bottom: -2px;
}
.course-buttons{
    padding: 15px 0;
}
.course-content{
    padding: 15px 0;
    font-family: Quicksand;
    font-style: normal;
    font-weight: 500;
    font-size: 18px;
    line-height: 22px;
    color: #1B3043;
}
.course-content h4{
    font-size: 36px;
    color: #1B3043;
}
.course-buttons .btn{
    font-family: Quicksand;
    font-style: normal;
    font-weight: bold;
    font-size: 26px;
    align-items: center;
    text-align: center;
    color: #FFFFFF;
    text-shadow: 0px 3px 2px rgba(0, 0, 0, 0.25);
    border-radius: 10px;
    display: inline-block;
    height: auto;
    padding: 10px;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease 0s;
    cursor: pointer;
    outline: none;
}
.course-buttons .btn:hover{
    background-color: #e5bf41;
    box-shadow: 0px 15px 20px rgba(229, 119, 28, 0.4);
    color: #fff;
    transform: translateY(-7px);
}
.course-buttons .btn.btn-success{
    background: #FF5620;
    border: 1px solid red;
}
.course-buttons .btn.btn-primary{
    background: #04689A;
}
.course-extra{
    font-family: Quicksand;
    font-style: normal;
    font-weight: 500;
    font-size: 16px;
    line-height: 22px;
    color: #6C757D;
}
.course-extra a{
    color: #ff5620;
}
#course_study_special_1 .section_comment{
    padding: 75px 0 50px;
    background: #FFF;
}
/* custom videojs style */
.video-wrapper .video-js .vjs-big-play-button {
    font-size: 3em;
    line-height: 2.2em;
    height: 2.2em;
    width: 2.2em;
    position: absolute;
    top: calc(50% - 1.1em);
    left: calc(50% - 1.1em);
    padding: 0;
    cursor: pointer;
    opacity: 1;
    border: 0.06666em solid #fff;
    background-color: #ff5620;
    border-radius: 100%;
    transition: all 0.4s ease-in-out;
}
.video-wrapper .vjs-big-play-centered .vjs-big-play-button {
    top: 50%;
    left: 50%;
}
.video-wrapper .video-js:hover .vjs-big-play-button,
.video-wrapper .video-js .vjs-big-play-button:focus {
    border-color: #fff;
    opacity: 1;
    transition: all 0.4s ease-in-out;
}
.btn-list{
    margin-bottom: 30px;
}
.btn-default-vh2{
    color: #da3f3f !important;
    padding: 10px 30px;
    font-weight: bold;
    font-size: 25px !important;
    margin-bottom: 20px;
    border-radius: 26px;
    box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.25);
    background-color: #ffffff;
}
.btn-default-vh2.active{
    background: #02a5ef;
    color: #FFF !important;
}
.btn-default-vh3{
    color: #FFF !important;;
    padding: 10px 15px;
    font-weight: bold;
    font-size: 18px !important;
    border-radius: 22px;
    box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.25);
    background-color: #ff5620;
    height: auto;
}
.btn-default-vh4{
    padding: 8px 15px;
    font-weight: bold;
    font-size: 18px !important;
    height: auto;
    background: none;
    border: none;
    color: #FFF !important;
    text-transform: uppercase;
    margin-right: 15px;
    border-radius: 0;
}
.btn-default-vh4:hover{
    border-radius: 5px;
    box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.25);
    background-color: #ffffff;
    color: #292929 !important;
    border-bottom: none;
}
.btn-default-vh4.active{
    border-radius: 5px;
    box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.25);
    background-color: #ffffff;
    color: #292929 !important;
    border-bottom: none;
}
.item-practice{
    padding: 20px 10px;
    border: 2px solid #f87b53;
    border-radius: 10px;
    margin-bottom: 20px;
}
.item-practice-no{
    font-size: 50px;
    font-weight: bold;
    color: #0fa7ec;
    line-height: 40px;
}
.table-fixed{
    table-layout: fixed;
}
.img-circle {
    -webkit-border-radius: 500px;
    -moz-border-radius: 500px;
    border-radius: 500px;
}
.section_statistic .avatar_img{
    width: 45px;
    height: 45px;
    object-fit: cover;
}
.section_statistic .medal_img{
    position: relative;
    top: 5px;
}
.section_statistic .table{
    border-collapse: separate;
    margin-top: 10px;
}
.section_statistic .table tbody tr:hover{
    box-shadow: 0px 2px 15px rgba(0, 0, 0, 0.33);
}
.section_statistic .table tbody tr:hover td{
    background: #40AFE3;
    color: #FFF;
}
.section_statistic .table tbody tr:hover td:first-child{
    border-radius: 3px 0 0 3px;
}
.section_statistic .table tbody tr:hover td:last-child{
    border-radius: 0 3px 3px 0;
}
.section_statistic .table tr:hover .dark_text,
.section_statistic .table tr:hover b,
.section_statistic .table tr:hover small{
    color: #FFF;
}
.section_statistic .table, .section_statistic .table th{
    color: #797979;
    font-weight: 300;
}
.section_statistic .table td, .section_statistic .table th{
    border: none !important;
}
.section_statistic .table .dark_text, .table b{
    color: #000000;
    font-weight: 500;
}
#course_study_special_1{
    background: #FFF;
}
.section_title{
    font-size: 22px;
    line-height: 31px;
    color: #333333;
    position: relative;
    padding: 10px 0;
}
.section_title:after{
    content: "";
    display: inline-block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 150px;
    height: 2px;
    background: #FF5620;
}

@media only screen and (max-width: 567px) {
    .btn-default-vh2{
        color: #da3f3f !important;
        padding: 10px 5px;
        font-weight: bold;
        font-size: 16px !important;
        margin-bottom: 20px;
        border-radius: 20px;
        box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.25);
        background-color: #ffffff;
    }
    .btn-default-vh3{
        color: #FFF !important;;
        padding: 10px 5px;
        font-weight: bold;
        font-size: 18px !important;
        border-radius: 22px;
        box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.25);
        background-color: #ff5620;
        height: auto;
    }
    #main-video {
        min-height: 300px;
    }
    .course-buttons .btn{
        font-size: 20px !important;
    }
    .item-practice{
        padding: 10px 10px;
        border: 2px solid #f87b53;
        border-radius: 10px;
        margin-top: 20px;
    }
}