.kelas_header {
    position: relative;
    max-height: 300px;
    min-height: 180px;
    width: 100%;
    overflow: hidden;
    background: #ddd;
}
/* .kelas_header.nocover{ 
  } */
.kelas_header img {
    margin: auto;
    display: block;
    min-width: 100%;
}
.kelas_header .kelas_desc {
    position: absolute;
    left: 0;
    bottom: 30px;
    width: 100%;
}
.kelas_header .kelas_desc h1 a {
    text-shadow: 3px 4px 5px #000000c7;
    font-weight: bold;
}
.bg-soal2 {
    background: #fff;
    border-radius: 10px;
    margin-top: -30px;
    margin-bottom: 40px;
    min-height: 100px;
    display: block;
    width: 100%;
    position: relative;
}
.bg-soal2.belajar {
    border-radius: 0;
    margin-top: 0;
    margin-bottom: 0;
    height: calc(100vh - 76px); 
    padding-left: 300px;
    overflow-y: auto;
}
.menu_bab_belajar{
    width: 300px;
    position: fixed;
    left: 0;
    z-index: 1;
    top: 75px;
    height: 100%;
    overflow-y: auto;
    border-right: 1px solid #ddd;
} 
.menu_bab_belajar > i{  
    display: none;
}
.judul_konten{
    font-weight: 500;
    font-size: 18px;
    margin-bottom: 15px;
}
.item-dropdown{
    display: block;
    border-bottom: 1px solid #ddd;
}
.item-dropdown:last-child{ 
    border-bottom: unset;
}
.item-dropdown > a{
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #141414;
    padding: 10px 15px;
    border-left: 3px solid transparent;
}
.item-dropdown > a:hover{  
    background: #ace8ec;
    border-left-color: #9fabee;
}
.item-dropdown.open > a,
.item-dropdown > a.active{
    border-left-color: #5b87ac;
}
.item-dropdown > a .fa-angle-down{ 
    display: none !important;
}
.item-dropdown > a .fa-angle-right{ 
    display: inline-block !important;
}
.item-dropdown.open > a .fa-angle-down{ 
    display: inline-block !important;
}
.item-dropdown.open > a .fa-angle-right{ 
    display: none !important;
}
.item-dropdown .subitem{
    display: none;
    transition: all 0.3s;
}
.item-dropdown.open .subitem{
    display: block;
    padding-left: 15px;
    background: #fff7f7;
    transition: all 0.3s;
}
.subitem > a{
    display: flex; 
    align-items: center;
    color: #095486;
    padding: 10px 15px 10px 12px;
    gap: 10px;
    border-left: 3px solid transparent;
}
.subitem > a:not([href="javascript:;"]):hover{ 
    color: #095486;
    background: #fff7f7;
    border-left-color: #d49d5e;
}
.subitem > a.active{
    border-left-color: #bd6532;
}
.subitem > a[href="javascript:;"]{
    cursor: default;
    color: #5f5e5e;
}
.subitem > a.active{ 
    border-left-color: #bd6532;
    color: #025829;
}
.subitem > a.active span{ 
    font-weight: bold;
}
.subitem > a.prg_2{ 
    color: #095486;
} 
.subitem > a.prg_2,
.subitem > a.prg_1:not(.active){ 
    border-left-color: #94cff7;
} 
.top-menu {
    display: flex;
    padding: 15px;
    border-bottom: 1px solid #ddd;
}
.top-menu a {
    display: inline-block;
    padding: 10px 15px;
    text-align: center;
    font-weight: bold;
    color: #333;
}
.top-menu a.active {
    background: #e96421;
    color: #fff;
}
.pricing-box {
    background: #f9eeea;
}
.list_studi {
    padding: 15px;
}
.studi_bg {
    padding: 15px;
    display: inline-block;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    background: #ededed;
}
.studi_bg:hover {
    background: #f3ede1;
    box-shadow: 0 3px 3px 0 rgb(0 0 0 / 36%);
}
.studi_bg * {
    color: #343434;
}
.live_bg .info_paket{
    font-size: 12px;
    font-style: italic;
    color: #f25b2f;
}
.live_bg h4{
    font-size: 15px;
    font-weight: bold;
    color: #411206;
    margin-top: 0;
}
.live_bg .livekey,
.live_bg .livekey i,
.live_bg blockquote,
.live_bg blockquote i{
    font-size: 13px;
    color: #4d4c4c;
}
section {
    display: block; 
    min-height: unset;
    width: unset;
    padding: unset;
}
.konten_belajar.container{
    display: block;
    padding-left: 15px;
    padding-right: 15px; 
}
.konten_belajar > div{ 
    margin: 30px auto;
}
.konten_belajar.video > div{
    max-width: 640px; 
}
.konten_belajar.quis > div{
    max-width: 450px; 
}
.konten_nav{
    margin-top: 20px;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    gap: 10px;
}
.modal-title{
    color: #202020;
}
.bg_main .header { 
    background: #fff;
}
.bgtingkatan{
    position: relative;
}
.bgtingkatan .kelas_hot{
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1;
    display: inline-block;
    padding: 3px 10px;
    background: rgb(237 61 5);
    color: #cff21d;
    font-size: 12px;
    border-radius: 15px;
    box-shadow: 0px 0px 8px 3px #e37352;
    font-weight: bold;
    font-style: italic;
    animation: blinker 1.5s linear infinite;
}

@keyframes blinker {
    50% {
        opacity: 0;
    }
}
@media(max-width: 767px){
    .bg-soal2.belajar { 
        height: auto; 
        padding-left: 0;
        overflow-y: auto;
        padding-top: 30px;
    }
    .menu_bab_belajar{  
        left: -300px;  
        background-color: #fff;
        transition: all 0.3s;
    } 
    .menu_bab_belajar.show{ 
        left: 0;  
        transition: all 0.3s;
    }
    .menu_bab_belajar > i{  
        display: inline-block;
        cursor: pointer;
        font-size: 30px;
        padding: 10px;
        position: fixed;
        top: 75px;
        left: 0;
        color: #fdfdfd;
        background: #3f3f3f70;
        transition: all 0.3s;
    }
    .menu_bab_belajar.show > i:hover{  
        background: #2e30334d;
        color: #4d72d8;
        transition: all 0.3s;
    }
    .menu_bab_belajar.show > i{   
        left: 300px;
        color: #7f7f7f99;
        background: #bfbcbc44;
        transition: all 0.3s;
    }
}