@font-face {
    font-family: 'UTM_HelvetIns';
    src: url('../fonts/UTMHelvetIns.eot');
    src: url('../fonts/UTMHelvetIns.eot') format('embedded-opentype'), url('../fonts/UTMHelvetIns.woff')
    format('woff2'), url('../fonts/UTMHelvetIns.woff') format('woff'), url('../fonts/UTMHelvetIns.ttf')
    format('truetype'), url('../fonts/UTMHelvetIns.svg#fontawesomeregular') format('svg');
    font-weight: normal;
    font-style: normal;
}
@font-face {
    font-family: 'Muli';
    src: url('../fonts/Muli.eot');
    src: url('../fonts/Muli.eot') format('embedded-opentype'), url('../fonts/Muli.woff')
    format('woff2'), url('../fonts/Muli.woff') format('woff'), url('../fonts/Muli.ttf')
    format('truetype'), url('../fonts/Muli.svg#fontawesomeregular') format('svg');
    font-weight: normal;
    font-style: normal;
}
p {
    margin: 0px;
}

a {
    text-decoration: none;
    color: #333333;
}

a:hover,
a:focus {
    color: #0d7cd6;
    text-decoration: none;
}

* {
    margin: 0px;
    padding: 0px;
}

ul, ol {
    padding: 0;
    margin: 0;
}

li {
    list-style: none;
}
h1,h2,h3,h4,h5,h6{
    margin: 0;
}

.fixed {
    position: fixed !important;
    top: 0px;
    z-index: 99;
    width: 100%;
}
.clearfix-130{
    clear: both;
    height: 130px;
}
.clearfix-120{
    clear: both;
    height: 120px;
}

.clearfix-100{
    clear: both;
    height: 100px;
}
.clearfix-80{
    clear: both;
    height: 80px;
}
.clearfix-60{
    clear: both;
    height: 60px;
}
.clearfix-55{
    clear: both;
    height: 55px;
}
.clearfix-50{
    clear: both;
    height: 50px;
}
.clearfix-45{
    clear: both;
    height: 45px;
}
.clearfix-40{
    clear: both;
    height: 40px;
}
.clearfix-35{
    clear: both;
    height: 35px;
}
.clearfix-30{
    clear: both;
    height: 30px;
}
.clearfix-32{
    clear: both;
    height: 32px;
}
.clearfix-25{
    clear: both;
    height: 25px;
}
.clearfix-20{
    clear: both;
    height: 20px;
}
.clearfix-15{
    clear: both;
    height: 15px;
}
.clearfix-12{
    clear: both;
    height: 12px;
}
.clearfix-10{
    clear: both;
    height: 10px;
}
.clearfix-5{
    clear: both;
    height: 5px;
}

body {
    background: #fff;
    font-size: 12px;
/*    font-family: arial;*/
        font-family: "Arial", sans-serif;
    color: #000;
}

del {
    font-size: 12px;
    color: #999;
}

/*===========All=============*/ 
.w_100 {
    width: 100%;
}

.w_40 {
    width: 40%;
}

.w_60 {
    width: 60%;
}

/*==========Main============*/
.menu_mb{
    position: fixed;
    width: 100%;
    background: #ffffff;
    z-index: 999;
    padding: 1px 15px;
    border-bottom: 1px solid #ccc;
}
#go_top {
    position: fixed;
    width: 24px;
    height: 25px;
    background: #000;
    color: #fff;
    text-align: center;
    line-height: 25px;
    font-size: 18px;
    font-weight: bold;
    background-size: 100% 100%;
    display: inline-block;
    z-index: 100;
    bottom: 25px;
    right: 25px;
}
.img_logo_mb{
    max-height: 60px;
    max-width: 70%
}
.menu_main .nav.is-fixed{
    position: relative;
    z-index: 105;
}
 .fixed_bn {
    position: fixed !important;
    top: 0px;
    z-index: 9999;
    width: 100%;
}
.box_class .sub_class a{
font-family: "Arial";
}
 .box_img {
    overflow: hidden
 }
.box_img img{
    transition-duration: 0.5s;
        /* Safari */
        -webkit-transition-duration: 0.5s; 
        /* Mozilla Firefox */
        -moz-transition-duration: 0.5s; 
        /* Opera */
        -o-transition-duration: 0.5s;
        /* IE 9 */
        -ms-transition-duration: 0.5s;
}
.box_img img:hover{
      transform: scale(1.2);
        -webkit-transform: scale(1.2); 
        -moz-transform: scale(1.2); 
        -o-transform: scale(1.2);
        -ms-transform: scale(1.2);
    cursor: pointer; 
        opacity: .6;
}
.slider_content .owl-nav{
    top:50%;
}


.box_teacher{
    position: relative;
}
.box_teacher .sub_teacher{
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 65px;
    background: #fff;
    padding: 15px;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: all 0.5s;
}
.box_teacher:hover .sub_teacher{
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    transition: all 0.5s;
}
.box_teacher:hover .sub_teacher .name_teacher, .box_teacher:hover .sub_teacher .job_teacher{
    color: #fff;
}

.name_teacher{
    color: #000;

}
.sc_teacher .box_teacher .job_teacher{
    color: #000;
    margin-bottom: 0 !important;
}
.sc_teacher{
    padding-bottom: 40px;
}
.slider_video {
    text-align: center;
}
#videocat {
    max-width: 1000px;
    margin: auto;
}
img.ug-bw-effect{
    -webkit-filter:normal !important;
}
img.ug-bw-effect{
    filter: grayscale(100%);
    filter: url(data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter i…0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale);
    -moz-filter: grayscale(100%);
    -webkit-filter:normal !important;
}

.content p{
    line-height: 2;
        display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}
.content span{
    line-height: 2;
        display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}
.content ul{
    list-style: inherit;
    list-style-type: square;
        padding: 0 40px;
            line-height: 1.6;
}
.content ul li{
    list-style: inherit;
        line-height: 1.6;
}
.content ol, dl {
    padding: 0 40px;
}
.content ol {
    display: block;
    list-style-type: decimal;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    padding-inline-start: 40px;
}
/**/
.content_detail_cate p{
    line-height: 2;
        display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}
.content_detail_cate span{
    line-height: 2;
        display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}
.content_detail_cate ul{
    list-style: inherit;
    list-style-type: square;
        padding: 0 40px;
            line-height: 1.6;
}
.content_detail_cate ul li{
    list-style: inherit;
        line-height: 1.6;
}
.content_detail_cate ol, dl {
    padding: 0 40px;
}
.content_detail_cate ol {
    display: block;
    list-style-type: decimal;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    padding-inline-start: 40px;
}