@import url('https://fonts.googleapis.com/css?family=Roboto+Condensed:300,300i,400,400i,700,700i&display=swap&subset=vietnamese');
* {
    margin:0;
    padding:0;
    -ms-word-wrap: break-word;
    word-wrap: break-word;
}
body{
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: #0C0C0C;
}
a:link{
    text-decoration: none;
}
a, a:link, a:visited {
    outline: none;
    text-decoration: none;
}
a:hover {
    text-decoration: none;
    color: #37c5f3;
}
a{
    color: #333;
    outline: none !important;
    transition: all 0.3s;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
}
.des-content{
    font-size: 16px;
}
@media(min-width: 1250px){
    .container{
        width: 94%;
    }
}

/*Header */
.header{
    position: fixed;
    top: 0;
    z-index: 900; 
}
.header_height{
    height: 115px;
    margin-bottom: 20px;
}
.header-top{
    padding: 15px 0;
    background: #000 url(images/header-bg.jpg) repeat-x;
}
.logo_header h1,
.logo_header h2{
    margin: 0;
    max-width: 165px;
    text-align: center;
}
.search_header_inner{
    width: 450px;
    margin: 0px auto;
    position: relative;
}
.search_header_inner input {
    width: 100%;
    background: #fff;
    border-radius: 99px;
    border: 1px solid #999;
    padding: 0 40px 0px 15px;
    height: 35px;
}
.search_header_inner button {
    position: absolute;
    right: 0;
    top: 0;
    height: 35px;
    border: none;
    background: none;
    width: 40px;
    font-size: 15px;
}
.nav_right_header {
    text-align: center;
}
.nav_right_header .muavip{
    display: inline-block;
    margin-right: 20px;
    background-color: #ed232b;
    color: #fff;
    line-height: 35px;
    padding: 0px 10px;
    float: right;
}
.nav_right_header .btn-group{
    line-height: 35px;
    background-color: #3240ab;
    text-align: center;
    float: right;
}
.nav_right_header .btn-group a{
    float: left;
    padding: 0px 10px;
    color: #fff;
}
a.kk_signin{
    border-right: 1px solid #a29c9c; 
}

/*header-nav*/
.header-nav {
    background-color: #fff;
    box-shadow: 5px 2px 4px 0px rgba(0, 0, 0, 0.1);
}
.nav-header-inner{
    text-align: center;
    height: 50px;
}
.ul-nav-header{
    display: inline-block;
}
.ul-nav-header>li{
    float: left;
    padding: 8px 5px;
}
.ul-nav-header>li:first-child{
    margin-left: 0;
}
.ul-nav-header>li>a{
    display: block;
    padding: 0px 10px;
    line-height: 34px;
    text-transform: uppercase;
    border-radius: 3px;
    font-size: 16px;
    font-weight: bold;
    position: relative;
}
.ul-nav-header>li a i.fa-home{
    padding-right: 8px;
}
.ul-nav-header>li:hover>a,
.ul-nav-header>li.current-menu-item>a{
    color: #fff;
    background-color: #04b431;
}
.ul-nav-header>li.menu-item-has-children{
    position: relative;
}
.ul-nav-header>li.menu-item-has-children>a:after{
    content: "\f107";
    font-family: "Font Awesome 5 Pro";
    padding-left: 5px;
    font-weight: normal;
}
.ul-nav-header li>ul{
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 140px;
    border-top: 3px solid #04b431;
    background-color: #fff;
    box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.15);
    z-index: 100;
}
.ul-nav-header ul>li a{
    white-space: nowrap;
    display: block;
    color: #686868;
    font-size: 13px;
    padding: 8px 12px;
    border-bottom: 1px solid #eee;
    text-transform: uppercase;
    line-height: 1.4;
    font-weight: bold;
}
.ul-nav-header ul>li:last-child>a{
    border-bottom: none;
}
.ul-nav-header ul>li:hover>a{
    background-color: #04b431;
    color: #fff;
}
@media(min-width: 1200px){
    .ul-nav-header li:hover>ul{
        display: block;
    }
}
/*End header-nav*/
.click-main-nav {
    padding: 7px;
    background-color: #fff;
    border-radius: 2px;
    z-index: 100;
    float: left;
    margin-top: 4px;
    display: none;
    cursor: pointer;
}
.click-main-nav .icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    -moz-border-radius: 1px;
    -webkit-border-radius: 1px;
    border-radius: 1px;
    background: #000;
}
.click-main-nav .icon-bar+.icon-bar {
    margin-top: 4px;
}
.backdrop {
    transition: visibility 0s, opacity 0.15s linear;
    opacity: 0;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1040;
    background-color: #000;
    visibility: hidden;
}
.backdrop.active {
    opacity: 0.4;
    z-index: 1001;
    visibility: visible;
}
body.active{
    overflow: hidden;
}
.close-nav-header {
    display: none;
    color: #fff;
    right: 0px;
    background: #ff6e01;
    border-radius: 0px;
    line-height: 25px;
    font-size: 20px;
    z-index: 2;
    position: absolute;
    padding: 0px 7px;
    cursor: pointer;
}
.close-nav-header:before {
    content: "\f00d";
    font-family: "Font Awesome 5 Pro";
}
/*End Header*/

.main_index {
    position: relative;
}
/*sidebar*/
.sidebar{
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.15);
    top: 135px;
    width: 280px;
    position: fixed;
}
.title_sidebar{
    margin: 0;
    text-align: center;
    font-weight: bold;
    line-height: 40px;
    background-color: #04b431;
    color: #fff;
}
.title_sidebar a{
    color: #fff;
}
.ul_sidebar li a{
    display: block;
    line-height: 40px;
    padding: 0px 10px;
    font-size: 16px;
    border-bottom: 1px solid #f1f1f1;
}
.ul_sidebar li a:hover{
    color: #ed232b;
}
.ul_sidebar li a i{
    width: 20px;
    color: #ed232b;
}
.ul_sidebar{
    border-bottom: 1px solid #ccc;
}
.ul_sidebar_all{
    overflow-y: auto;
    max-height: calc(100vh - 190px);
}
.ul_sidebar_all::-webkit-scrollbar{
    width:5px;
    height:5px;
}
.ul_sidebar_all::-webkit-scrollbar-track{
    background:#fff;
    border-radius:10px;
    box-shadow:inset 0 0 6px rgba(0,0,0,.3)
}
.ul_sidebar_all::-webkit-scrollbar-thumb{
    background:#d82727;
    border-radius:10px
}
/*End sidebar*/

/*main_index_right*/
.main_index_right{
    width: calc(100% - 300px);
    float: right;
    margin-bottom: 15px;
}

/*st1*/
.item_st1 {
    display: block;
    position: relative;
    overflow: hidden;
}
.item_st1_text{
    position: absolute;
    background-color: rgba(0,0,0,0.6);
    bottom: 0;
    left: 0;
    float: left;
    padding: 10px 20px;
    color: #fff;
    transition: all 0.3s;
    max-width: 600px;
}
.item_st1_text a{
    font-size: 22px;
    color: #FF6600;
    display: block;
}
.item_st1_text a:hover{
    color: #ffeb00;
}
.item_st1_text a p {
    color: #c3bdbd;
    font-size: 80%;
}
.item_st1_text .movie-view i{
    color: #04b431;
    padding-right: 10px;
}
.slide-st1.owl-theme .owl-nav [class*='owl-'] {
    position: absolute;
    padding: 0;
    background: transparent;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 25px;
    border-radius: 0;
    margin: 0;
}
.slide-st1.owl-theme .owl-nav [class*='owl-'].owl-next {
    left: inherit;
    right: 15px;
}
.st1_right .item_st1 h3{
    margin: 0;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: rgba(0,0,0,0.6);
    padding: 10px;
    color: #fff;
    transition: all 0.3s;
    font-size: 16px;
}
.st1_right .item_st1:hover h3{
    background-color: rgba(4, 180, 49, 0.8);
}
.st1_right .item_st1 h3 p{
    margin-bottom: 0;
    font-size: 80%;
}
.st1_right .item_st1{
    margin-bottom: 17px;
}
/*End st1*/

/*st2*/
.st2{
    margin-top: 10px;
}
.st2_item_left{
    float: left;
}
.st2_item a:hover{
    color: #04b431;
}
.st2_item_left i{
    font-size: 20px;
    line-height: 38px;
    width: 38px;
    text-align: center;
    height: 38px;
    background-color: #04b431;
    color: #fff;
}
.st2_item_right{
    width: calc(100% - 48px);
    float: right;
}
.st2_item_right h3{
    font-weight: bold;
    font-size: 19px;
    margin: 10px 0;
}
.st2_item_right p {
    color: #666;
    line-height: 24px;
}
/*End st2*/

/*st3*/
.content_st3{
    display: flex;
    flex-wrap: wrap;
}
.st3{
    margin-top: 30px;
}
.title-st3 {
    border-bottom: 3px solid #04b431;
    margin: 0 0 20px;
    line-height: 35px;
    font-size: 20px;
}
.title-st3 span {
    display: inline-block;
    color: #fff;
    background-color: #04b431;
    padding: 0px 10px;
    text-transform: uppercase;
    font-weight: bold;
    font-size: 17px;
}
.st3_item{
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.15);
    background-color: #fff;
    padding: 0;
    width: calc(25% - 30px);
    margin: 0px 15px 20px;
    transition: all 0.3s;
}
.st3_item:hover{
    box-shadow: 0 1px 6px 0 rgba(4, 180, 49, 0.45);
}
.st3_item a{
    display: block;
}
.st3_item_img{
    position: relative;
}
.st3_item_img img{
    width: 100%;
}
.show_time{
    background: rgba(0,0,0,.7);
    color: #e5e5e5;
    letter-spacing: .5px;
    position: absolute;
    right: 10px;
    bottom: 10px;
    border-radius: 4px;
    padding: 3px 5px;
}
.episode_number{
    right: 10px;
    top: 10px;
    position: absolute;
    background-color: rgba(255,102,0,.75);
    text-align: center;
    border-radius: 50%;
    width: 2.8em;
    color: #fff;
    height: 2.8em;
}
.eps_user {
    font-size: 20px;
    line-height: 1.2;
    margin-top: .14em;
}
.tap_user {
    font-size: 12px;
    line-height: .9;
}
.st3_item_text {
    padding: 10px;
    color: #000;
    font-size: 14px;
}
.st3_item_title{
    font-weight: bold;
    font-size: 18px;
    margin: 0;
    transition: all 0.3s;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.st3_item:hover .st3_item_title{
    color: #04b431;
}
.st3_item_title_v{
    margin: 5px 0 5px;
}
.st3_item_time{
    color: #777;
}
/*End st3*/

/*footer_index*/
.footer_index_inner {
    padding: 15px;
    overflow-y: hidden;
    /*margin-bottom: 15px;*/
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.3);
}
.footer_index_inner a:hover{
    color: #ed232b;
}
.footer_index_left{
    float: left;
}
.footer_index_right{
    float: right;
}
.footer_index_left a{
    margin-left: 28px;
    font-size: 15px;
    color: #333;
}
.footer_index_right span{
    margin-left: 25px;
}
.footer .footer_index_inner{
    padding: 25px 15px;
}
/*End footer_index*/

/*End main_index_right*/

/*chitietkhoahoc*/
.single-video-page .click-main-nav{
    display: inline-block;
}
.single-video-page .logo_header h1, 
.single-video-page .logo_header h2 {
    float: left;
    margin-left: 10px;
}
.single-video-page .sidebar{
    -moz-transform: translateX(-80em);
    -webkit-transform: translateX(-80em);
    -ms-transform: translateX(-80em);
    transform: translateX(-80em);
    -moz-transition: -moz-transform .4s ease;
    -webkit-transition: -webkit-transform .4s ease;
    -ms-transition: -ms-transform .4s ease;
    transition: transform .4s ease;
    -webkit-overflow-scrolling: touch;
    width: 280px !important;
    height: 100vh;
    overflow-y: auto;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1002;
    padding: 0;
    background: #fff;
}
.single-video-page .sidebar.active {
    -moz-transform: translateX(0);
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
}
.single-video-page .close-nav-header{
    display: block;
}
.single-video-page .ul_sidebar_all{
    max-height: calc(100% - 40px);
}

.player-left{
    position: relative;
    width: 68%;
    float: left;
}
.player-left h2{
    position: absolute;
    left: 15px;
    top: 10px;
    background-color: rgba(0,0,0,.5);
    padding: 4px 5px;
    transition: all 0.3s;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    margin: 0;
    border-radius: .3em;
}
.player-left h2.stop-listening,
.player-left h2.start-listening-title{
    left: inherit;
    right: 15px;
    top: 10px;
}
.player-left h2 i.fa{
    color: #04b431;
    margin-right: 6px;
}
.player-left h2:hover{
    background-color: #04b431;
    color: #fff;
}
.player-left h2:hover i.fa{
    color: #fff;
}
.sub-right{
    width: calc(32% - 12px);
    float: right;
    font-family: Segoe UI;
}
.sub-right-top{
    background-color: #04b431;
    color: #fff;
    align-items: center;
    justify-content: center;
    line-height: 45px;
    display: flex;
    height: 45px;
}
.sub-right-top span{
    width: 25%;
    text-align: center;
    border-right: 1px solid #fff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}
.sub-right-top span:last-child{
    border-right: none;
}
.sub-right-top .listening.active{
    color: #c1b9b9;
}
.sub-right-top span i{
    position: relative;
    top: 6px;
}
.sub-right-top span:hover{
    background-color: orange
}
.sub-right-center{
    border-left: 2px solid #04b431;
    border-right: 1px solid #04b431;
}
.civ-title{
    display: block;
    text-align: center;
    padding: .3em 0;
    background: #fffacd;
    font-weight: 600;
    border-bottom: 1px solid gray;
}
.col-sm-12.help-video {
    border-bottom: 1px solid #e0e0e0;
    display: -webkit-box;
    padding: 5px 15px;
}
.col-sm-3.help-video-line {
    width: 54%;
    padding-left: 1em;
    float: unset;
}
.col-sm-3.help-video-line>b {
    color: #dc143c;
    font-size: 120%;
}
.col-sm-8.help-video-line {
    width: 50%;
    padding: 0;
    float: unset;
}
.content-info-video{
    font-size: 16px;
}
button.speeds2 {
    height: 2em;
    width: 2em;
    margin-top: .5em;
    border: 1px solid #666;
    border-radius: 50%;
    fill: #666;
}
span.test-learned-word, 
span.test-speed {
    cursor: pointer;
    color: #0275d8;
}
.content-info-video i.fa {
    margin: 0 10px 0 0;
    color: #dc143c;
    user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
}
.recommend-help-video {
    padding: .5em 1em;
    display: flow-root;
    color: #ff8c00;
    text-align: center;
}
.content-info-option-inner{
    padding: 20px 10px;
}
.content-info-option a,
.content-info-option p{
    display: block;
    padding: 10px;
    margin: 0;
    font-weight: bold;
    color: #008b8b;
    cursor: pointer;
}
.srb-item{
    background-color: #fffaf0;
}
.content-info-option i{
    margin: 0 10px 0 0;
    color: #dc143c;
    width: 1.4em;
}
.content-info-option p.gray{
   color: gray;
}
.content-info-option p:hover{
    color: #ff8c00;
}
.user-suboption-name{
    display: block;
    border-bottom: 1px solid #d3d3d3;
    padding: 10px 20px;
}
.content-usersub-video p{
    padding: 15px 0px 0px 10px;
    font-weight: bold;
}
.user-suboption-name .name{
    width: 50%;
    display: inline-block;
    float: left;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.user-suboption-name i.run-this-sub {
    color: #d2691e;
    cursor: pointer;
    margin-top: .4em;
}
.user-suboption-name i.like-user-sub {
    color: #a09d9d;
    float: right;
}
.like-num-usersub{
    margin-left: 10px;
}
.user-suboption-name a{
    color: #000;
}
.user-suboption-name a span{
    color: #04b431;
}
.user-suboption-name a:hover span{
    color: #ed232b;
}
.sub-line {
    padding: 6px;
    border-bottom: #ccc solid 1px;
    cursor: pointer;
    position: relative;
}
.sub-line .sub_en, .sub-line .sub_vi {
    display: block;
    padding-left: .2em;
}
.sub-line .sub_en {
    font-size: 17px;
    margin-bottom: .3em;
}
.sub-line .sub_vi {
    font-size: 16px;
}
span.show-time-second{
    position: absolute;
    color: #fff;
    background: rgba(0,0,0,.5);
    border-radius: .2em;
    height: 1.4em;
    line-height: 1.4;
    padding: 0 .2em;
    font-size: 13px;
    right: 5px;
    bottom: 5px;
}
.srb-item{
    display: none;
}
.option_more_single{
    width: 27px;
    height: 27px;
    border-radius: 50%;
    cursor: pointer;
    position: absolute;
    right: 9px;
    bottom: 26px;
    background-color: #04b431;
    opacity: 0;
    transition: all 0.3s;
    color: #fff;
    text-align: center;
    line-height: 27px;
    font-size: 27px;
}
.sub-line:hover .option_more_single{
    opacity: 1;
}
.option_more_single:hover{
    background-color: orange;
}
.sub-line:hover {
    background-color: #e7e7e7;
}
.sub-line.current {
    background: #333;
    color: #fff;
}
.option_more_table {
    top: unset;
    display: unset;
    color: #333;
    position: absolute;
    float: right;
    width: fit-content;
    margin-right: 3.6em;
    margin-top: -2.2em;
    background: #fff;
    right: 0;
    padding: .4em 0;
    z-index: 1;
    box-shadow: 0 0 3px 1px grey;
    display: none;
}
span.option_more_table_item {
    width: 100%;
    display: block;
    padding: .4em 1.8em;
    cursor: pointer;
    padding-right: 4.5em;
}
span.option_more_table_item>i {
    width: 1.8em;
    margin-right: 10px;
    color: #777;
}
span.option_more_table_item+hr {
    margin: 10px;
}
span.option_more_table_item:hover,
span.option_more_table_item:hover i{
    color: #04b431;
}
.option_more_single.active{
    background-color: orange;
    opacity: 1;
}
.option_more_single.active i:before{
    content: "\f00d";
    font-size: 18px;
    position: relative;
    bottom: 3px;
}
.sub-right-bottom{
    background-color: #04b431;
    color: #fff;
    align-items: center;
    justify-content: center;
    line-height: 45px;
    display: flex;
    height: 45px;
}
.sub-right-bottom span {
    width: 20%;
    text-align: center;
    border-right: 1px solid #fff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}
.sub-right-center{
    overflow-y: auto;
    height: calc(100% - 90px);
}
.sub-right-bottom span:hover {
    background-color: orange;
}
.sub-right-center::-webkit-scrollbar{
    width:5px;
    height:5px;
}
.sub-right-center::-webkit-scrollbar-track{
    background:#fff;
    border-radius:10px;
    box-shadow:inset 0 0 6px rgba(0,0,0,.3)
}
.sub-right-center::-webkit-scrollbar-thumb{
    background: #04b431;
    border-radius:10px
}
.sub-right-bottom span:last-child{
    border-right: none;
}

.dtvideo-bottom-left{
    width: 68%;
    float: left;
}
.dtvideo-episode{
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.3);
    margin: 20px 0px;
    padding: 10px 15px;
    font-size: 17px;
}
.dtvideo-episode strong{
    margin-right: 5px;
}
.btn-episode{
    display: inline-block;
    margin: 0 5px 5px 0px;
    padding: 0;
    line-height: 32px;
    border: 1px solid #ccc;
    width: 32px;
    text-align: center;
    border-radius: 4px;
}
.btn-episode.current,
.btn-episode:hover{
    background-color: #04b431;
    border-color: #04b431;
    color: #fff;
}
.dtvideo-info{
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.3);
    margin: 0 0 20px;
    padding: 10px 15px 20px;
}
.dtvideo-info-name h1.title {
    font-size: 24px;
    margin: .3em 0;
    color: #04b431;
    font-weight: bold;
}
.dtvideo-info-name h2.title {
    font-size: 18px;
    margin: .2em 0;
    color: #777;
}
.dtvideo-info-tso{
    font-size: 16px;
}
.dtvideo-info-tso .viewss {
    float: left;
    color: #777;
}
.menu-undervideo {
    float: right;
    color: gray;
}
.menu_add_later_video{
    margin: 0 10px 0px 25px;
    cursor: pointer;
}
.menu-undervideo .like{
    cursor: pointer;
}
.menu_add_later_video:hover{
    color: #04b431;
}
.dtvideo-info-2{
    padding-top: 15px;
    margin-top: 15px;
    border-top: #ccc solid 1px;
}
.dtvideo-info-2 .user-avatar{
    float: left;
    width: 50px;
    height: 50px;
}
.dtvideo-info-2 .image-user-avatar {
    border-radius: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.dtvideo-info-2 .user-info.single {
    float: left;
    margin-left: 20px;
    display: grid;
    width: max-content;
}
.dtvideo-info-2 .subscribe-single{
    float: right;
}
.dtvideo-info-2 .user-name a{
    font-size: 16px;
    font-weight: 600;
    color: #337ab7;
}
.dtvideo-info-2 .single-time {
    color: #777;
}
.content-dt{
    padding-left: 70px;
    padding-top: 20px;
}
span.cate-name {
    margin-right: 3em;
    color: #777;
}
.cate-content a{
    font-weight: 600;
    color: #337ab7;
}

.dtvideo-bottom-right{
    width: calc(32% - 12px);
    float: right;
    margin: 20px 0;
}
.title-dtbr{
    margin: 0;
    line-height: 35px;
    text-align: center;
    background-color: #04b431;
    color: #fff;
    font-size: 19px;
    font-weight: bold;
}
.dtbr-item{
    border-bottom: 1px solid #ccc;
    width: 100%;
    overflow: hidden;
    padding: 10px 15px;
}
.dtbr-item-img{
    width: 250px;
    float: left;
    position: relative;
}
.dtbr-item_text{
    float: right;
    width: calc(100% - 270px) !important;
    color: #000;
}
.dtvideo-bottom-right{
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.3);
}
.dtbr-item_title{
    font-size: 20px;
    transition: all 0.3s;
    font-weight: bold;
}
.dtbr-item:hover .dtbr-item_title{
    color: #04b431;
}
.dtbr-item_title_v,
.dtbr-item_info{
    color: #777;
}
.dtbr-item_info {
    font-style: italic;
    font-size: 14px;
}
.dtbr-item_info .flag{
    margin-left: 20px;
}
.dtbr-item_info .flag img{
    width: 22px;
    margin-left: 5px;
}

/*chitiettin*/
.title-detail{
    font-weight: bold;
    color: #04b431;
    margin-top: 0;
}
/*related*/
.related{
    margin: 30px 0px 0;
}
.title-related {
    margin: 0 0 20px;
    font-size: 22px;
    font-weight: bold;
    color: #04b431;
    border-top: 1px solid rgba(0,0,0,.1);
    position: relative;
}
.title-related span {
    padding-top: 15px;
    display: inline-block;
    position: relative;
    top: -2px;
    border-top: 3px solid #04b431;
}
.list-item-related {
    display: flex;
    flex-wrap: wrap;
}
.list-item-related .owl-item{
    padding: 5px;
}
.item-related {
    margin: 0px 0 20px;
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.15);
}
.item-hover1 img {
    width: 100%;
    height: auto;
    transition: all .4s;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.text-item-related {
    padding: 8px;
}
.text-item-related a {
    display: block;
    margin-bottom: 5px;
    font-size: 15px;
    font-weight: bold;
}
.list-item-related.owl-theme .owl-nav [class*='owl-']{
    position: absolute;
    left: 5px;
    top: 31%;
    background: #04b431;
    margin: 0;
    border-radius: 0;
}
.list-item-related.owl-theme .owl-nav .owl-next{
    left: inherit;
    right: 5px;
}
/*End related*/

/*comment*/
.tab-style .nav-tabs {
    border-bottom: none;
}
.tab-style .nav-tabs li a {
    background-color: #04b431;
    color: #fff;
    padding: 6px 7px;
    text-transform: uppercase;
    margin-right: 5px;
}
.tab-style .nav-tabs>li.active>a, 
.tab-style .nav-tabs>li.active>a:focus,
.tab-style .nav-tabs>li.active>a:hover {
    background: #ee4238;
    color: #fff;
    border: 1px solid #ee4238;
}
.tab-style .tab-content {
    border: 1px solid #04b431;
    padding: 20px;
}
.tab-commment{
    margin: 0px 0px 40px;
}
/*End comment*/

/*End chitiettin*/


/*End chitietkhoahoc*/

/*danmhsachkhoahoc*/
.term-description {
    margin: 0 0 20px;
    border: 3px dashed #04b431;
    padding: 10px;
    position: relative;
}
.term-description-inner{
    height: 180px;
    overflow: hidden;
    -webkit-transition: height 1s ease-in-out;
    -moz-transition: height 1s ease-in-out;
    -o-transition: height 1s ease-in-out;
    transition: height 1s ease-in-out;
}
.term-description.active .term-description-inner {
    height: inherit;
}
.show_hide {
    display: block;
    font-weight: bold;
    height: 40px;
    margin-top: 10px;
    line-height: 40px;
    text-align: center;
    width: 100%;
    color: #333;
}
.show_hide:hover,
.show_hide.active{
    color: #04b431;
}
.show_hide.active i:before {
    content: "\f35b";
}


/*pager*/
.pagination{
    margin: 10px 0 30px;
}
.pagination li>a, .pagination li>span{
    border-radius: 0;
    margin: 0px 2px 5px;
    border: none;
    background: #1d4b9d;
    padding: 5px 13px;
    color: #fff;
}
.pagination .active a, .pagination .active span, 
.pagination .active a:hover, 
.pagination .active span:hover, 
.pagination li:hover a {
    background: #f80707;
}
/*End pager*/
/*End danmhsachkhoahoc*/

/*tintuc*/
.item-list-new{
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.15);
    margin-bottom: 20px;
    width: 100%;
    float: left;
    padding: 10px;
}
.img-item-list-new{
    float: left;
}
.img-item-list-new img{
    width: 300px;
    float: left;
}
.text-item-list-new{
    float: right;
    width: calc(100% - 320px);
}
.text-item-list-new h3{
    margin-top: 10px;
}
.text-item-list-new h3 a{
    font-weight: bold;
    color: #04b431;
    font-size: 20px;
}
.text-item-list-new h3 a:hover{
    color: #f80707;
}
.dat-user{
    color: #777;
    font-style: italic;
    font-size: 13px;
}
.dat-user i.fa-user{
    padding-left: 10px;
}
/*End tintuc*/

/*lienhe*/
.title-contact-form{
    margin: 30px 0px;
    font-size: 25px;
    text-align: center;
    color: #04b431;
    position: relative;
    padding-bottom: 20px;
    text-transform: uppercase;
    font-weight: bold;
}
.title-contact-form:before {
    display: block;
    content: '';
    width: 100px;
    position: absolute;
    bottom: 0px;
    left: 50%;
    margin-left: -50px;
    height: 1px;
    border-bottom: dotted 1px #000;
}
.contact-form-inner{
    max-width: 1000px;
    margin: 0px auto 50px;
}
.form-style input {
    width: 100%;
    float: left;
    height: 42px;
    background-color: #fff;
    border: none;
    border-bottom: 1px dotted #525252;
    padding: 10px 0;
    font-size: 15px;
    margin-bottom: 25px;
}
.form-style textarea {
    width: 100%;
    background-color: #fff;
    border: none;
    border-bottom: 1px dotted #525252;
    padding: 10px 0;
    font-size: 15px;
    margin-bottom: 25px;
}
.form-style input[type="submit"] {
    border: none;
    background: #04b431;
    color: #fff;
    width: 100px;
    margin: 0px auto 15px;
    float: initial;
    display: block;
}
.form-style input[type="submit"]:hover{
    background: #34a226;
}
.contact-page .des-content{
    font-size: 16px;
}
.contact-page .des-content p{
    margin-bottom: 15px;
}
.map{
    margin-bottom: 40px;
}
@media(max-width: 767px){
    .title-contact{
        font-size: 40px;
    }
    .bk-contact{
        height: 70vh;
    }
    .title-contact-form{
        font-size: 20px;
        margin: 40px 0px 20px;
    }
    .contact-form-inner{
        padding: 0px 15px;
    }
}
/*End lienhe*/

/*login-page*/
.login-page-inner{
    max-width: 450px;
    margin: 30px auto 30px;
    box-shadow: 0 1px 6px 0 rgba(0, 0, 0, 0.15);
    padding: 10px 15px;
    font-family: Segoe UI;
    overflow: hidden;
}
.login-page-inner-ttcn{
    max-width: 800px;
    position: relative;
}
.btn-dangvideo{
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 13px;
    padding: 5px;
}
.lpi-top{
    margin-bottom: 20px;
}
.lpi-top h3{
    margin-top: 10px;
    font-weight: bold;
}
.lpi-top p{
    color: #999999;
    font-size: 13px;
}
.bg-blue{
    background-color: #007DC6;
    color: #fff;
    transition: all 0.3s;
}
.bg-blue:hover{
    background-color:#0ac53a;
    color: #fff;
}
.login-page-inner a{
    color: #337ab7;
}
.login-page-inner .help-block{
    margin: 10px 0px;
    font-size: 14px;
}
.login-page-inner .form-control-feedback i{
    color: #999999
}
.height-login{
    min-height: calc(100vh - 265px);
}
/*End login-page*/

/*thongtincanhan*/
.user-page-top{
    text-align: center;
    margin-bottom: 20px;
}
.upt-avatar{
    position: relative;
    margin: 10px auto;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-block;
}
.upt-avatar img{
    width: 120px;
    height: 120px;
    object-fit: cover;
}
.upt-avatar .gb_La{
    bottom: 0;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    left: 0;
    line-height: 9px;
    position: absolute;
    padding: 7px 0;
    text-align: center;
    width: 100%;
    background: rgba(0,0,0,.54);
}
.upt-info a{
    display: block;
    font-weight: bold;
    font-size: 18px;
}
.upt-info a i{
    color: #999;
    /*font-weight: normal;*/
    font-size: 14px;
}
.user-page-center .form-group{
    overflow: hidden;
    width: 100%;
    float: left;
    line-height: 34px;
}
.user-page-center .form-group label{
    width: 180px;
    float: left;
}
.user-page-center .form-group input,
.user-page-center .form-group span{
    width: calc(100% - 180px);
    float: right;
}
.user-page-bottom{
    text-align: center;
    padding: 20px 0px;
}
.user-page-bottom a{
    display: inline-block;
    margin: 0px 10px 10px;
    color: #fff;
}
.btn-save{
    background-color: #008FF3;
}
.btn-replace{
    background-color: #d0780f;
}
.btn-uot{
    background-color: #a71313;
}
.user-page-bottom a:hover{
    background-color: #04b431;
    color: #fff;
}
@media(max-width: 375px){
    .user-page-center .form-group label{
        width: 100%;
        line-height: 1.5;
    }
    .user-page-center .form-group input, .user-page-center .form-group span{
        width: 100%;
    }
}
/*End thongtincanhan*/

/*responsive*/
@media(max-width: 1500px){
    .st1_right{
        display: none;
    }
    .st1_left{
        width: 100%;
        padding: 0px 10px;
    }
    .main_index_right{
        width: calc(100% - 290px);
    }

    .st2_item{
        padding: 0px 10px;
    }
    .st2_item_right p{
        overflow: hidden;
        max-height: 72px;
    }
    .st2_item_right h3{
        font-size: 16px;
    }
    .st3 {
        padding: 0px 2px;
    }
    .heading_st3{
        padding: 0px 8px;
    } 
    .st3_item{
        margin: 0 8px 20px;
        width: calc(25% - 16px);
    }
    .footer_index.col-xs-12{
        padding: 0px 10px;
    }
    .st3_item_title{
        font-size: 17px;
    }
    .st3_item_time{
        font-size: 13px;
    }

    /*chitietkhoahoc*/
    .sub-line .sub_en{
        font-size: 16px;
    }
    .sub-line .sub_vi{
        font-size: 15px;
    }
    .dtbr-item-img{
        width: 160px;
    }
    .dtbr-item_text {
        width: calc(100% - 170px) !important;
    }
    .dtbr-item_title{
        font-size: 16px;
        margin-top: 0;
    }
    .dtbr-item_info .flag {
        margin-left: 10px;
        float: left;
    }
    /*End chitietkhoahoc*/

    /*chitiettin*/

    /*End chitiettin*/
}
@media(max-width: 1199px){
    .logo_header h1, .logo_header h2 {
        float: left;
        margin-left: 10px;
    }
    .click-main-nav{
        display: block;
    }
    .sidebar{
        -moz-transform: translateX(-80em);
        -webkit-transform: translateX(-80em);
        -ms-transform: translateX(-80em);
        transform: translateX(-80em);
        -moz-transition: -moz-transform .4s ease;
        -webkit-transition: -webkit-transform .4s ease;
        -ms-transition: -ms-transform .4s ease;
        transition: transform .4s ease;
        -webkit-overflow-scrolling: touch;
        width: 280px !important;
        height: 100vh;
        overflow-y: auto;
        position: fixed;
        left: 0;
        top: 0;
        z-index: 1002;
        padding: 0;
        background: #fff;
    }
    .sidebar.active {
        -moz-transform: translateX(0);
        -webkit-transform: translateX(0);
        -ms-transform: translateX(0);
        transform: translateX(0);
    }
    .close-nav-header {
        display: block;
    }
    .main_index_right{
        width: 100%;
    }
    .ul_sidebar_all{
        max-height: calc(100vh - 40px);
    }

    /*chitietkhoahoc*/
    .player-left,
    .sub-right,
    .dtvideo-bottom-left,
    .dtvideo-bottom-right{
        width: 100%;
    }
    .sub-right{
        height: 280px !important;
    }
    .dtvideo-bottom-right{
        margin-top: 0;
    }
    /*End chitietkhoahoc*/

    /*chitiettin*/
    /*End chitiettin*/

    .height-login{
        min-height: inherit;
    }
}
@media(max-width: 991px){
    .logo_header h1, .logo_header h2{
        margin: 0 0 10px;
        width: 100%;
        text-align: center;
        max-width: inherit;
    }
    .logo_header img{
        max-height: 40px;
    }
    .click-main-nav{
        position: absolute;
        left: 10px;
    }
    .header-top{
        background-size: contain;
    }
    .header{
        position: relative;
        margin-bottom: 15px;
    }
    .header_height{
        height: 0;
        margin-bottom: 0;
    }
    .st2{
        display: none;
    }
    .st3{
        margin-top: 10px !important;
        padding: 0;
    }
    .st3_item{
        width: calc(50% - 16px);
    }
    .search_header_inner{
        width: 100%;
    }
    .footer_index_right{
        padding-top: 15px;
    }
    .footer_index_left,
    .footer_index_right{
        width: 100%;
        text-align: center;
    }
    .footer_index_right span,
    .footer_index_left a{
        margin: 0 5px;
        display: inline-block;
    }
}
@media(max-width: 767px){
    .header-top{
        background: #333;
    }
    .nav_right_header .btn-group a{
        font-size: 13px;
        padding: 0px 5px;
    }
    .nav_right_header .btn-group a.kk_signin{
        background: #273ace;
    }
    .header .col-xs-6{
        padding: 0px 10px;
    }
    .search_header_inner input{
        font-size: 13px;
    }
    .nav-header-inner{
        height: inherit;
        text-align: center;
    }
    .ul-nav-header>li{
        display: inline-block;
        float: inherit;
    }
    .main-index .container{
        padding: 0;
    }
    .item_st1_text p{
        display: none;
    }
    .item_st1_text a {
        color: #fff;
        font-size: 18px;
    }
    .st1_left{
        padding: 0;
    }
    .eps_user{
        font-size: 17px;
    }
    .show_time{
        font-size: 13px;
        padding: 2px 3px;
    }
    .header{
        margin-bottom: 0;
    }
    .ul-nav-header>li{
        padding: 5px 3px;
    }
    .ul-nav-header>li>a{
        font-size: 14px;
        line-height: 30px;
    }
    .st3_item_title{
        font-size: 15px;
    }
    .st3_item_text{
        padding: 5px;
    }
    .title-st3{
        margin: 0 0 10px;
    }
    .st3_item{
        margin: 0 8px 10px;
    }
    .title-st3 span{
        font-size: 15px;
    }
    .footer_index_inner {
        padding: 10px;
    }
    /*chitietkhoahoc*/
    .player-left h2{
        display: none !important;
    }
    .sub-right-top span,
    .sub-right-bottom span{
        font-size: 14px;
    }
    .sub-right-top,
    .sub-right-bottom{
        height: 35px;
        line-height: 35px;
    }
    .sub-line .sub_en{
        font-size: 14px;
    }
    .sub-line .sub_vi{
        font-size: 13px;
    }
    .content-info-video,
    .srb-item{
        font-size: 14px;
    }
    .content-info-option-inner{
        padding: 10px;
    }
    .dtvideo-info-2 .subscribe-single{
        float: left;
        margin: 10px 0px 0px 20px;
    }
    .content-dt{
        padding-left: 0;
    }
    .dtbr-item{
        padding: 10px 5px;
    }
    .dtbr-item_info{
        font-size: 12px;
    }
    .dtbr-item_info .flag{
        margin-left: 0;
    }
    .dtbr-item_info .flag img{
        width: 18px;
    }
    .dtvideo-bottom{
        padding: 0px 8px;
    }
    /*End chitietkhoahoc*/

    /*tintuc*/
    .img-item-list-new img,
    .img-item-list-new,
    .text-item-list-new{
        width: 100%;
        font-size: 14px;
    }
    .text-item-list-new h3 a{
        font-size: 16px;
    }
    /*End tintuc*/

    /*chitiettin*/
    .title-detail{
        font-size: 20px;
    }
    .text-item-related{
        padding: 5px;
    }
    .text-item-related a{
        font-size: 13px;
    }
    .tab-style .nav-tabs li a{
        font-size: 14px;
    }
    .tab-commment{
        margin-bottom: 10px;
    }
    /*End chitiettin*/
    .user-page-center .form-group{
        line-height: 1.5;
    }
    .option_more_single{
        opacity: 0.5;
    }
}
@media(max-width: 320px){
    .st3_item {
        width: calc(100% - 16px);
        margin: 0 8px 12px;
    }
}
/*End responsive*/