#index_video {
    height: 100vh;
    width: 100%;
    object-fit: cover;
    z-index: -100;
    right: 0;
    bottom: 0;
    background-size: cover;
    overflow: hidden;
}

.box_video {
    height: 100vh;
    width: 100%;
    background-size: cover;
    overflow: hidden;
}
.video_layer {
    position: absolute;
    right: 10px;
    bottom: auto;
    width: 30px;
    height: 21px;
    z-index: 3;
    display: block;
    top: -2px;
}

.video_layer .muted_layer {
    cursor: pointer;
}

.video_layer .muted_layer:before {
    position: absolute;
    content: "\f028";
    font-family: 'FontAwesome', 'sans-serif';
    font-size: 16px;
    color: #fff;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 24px;
    height: 24px;
    display: block;
}

.video_layer .muted_layer:after {
    position: relative;
    content: "";
    height: 1px;
    width: 25px;
    background: #fff;
    border-radius: 10px;
    left: 5px;
    margin: 9px auto;
    display: block;
    transform: rotate(-140deg);
    -webkit-transform: rotate(-140deg);
    -moz-transform: rotate(-140deg);
    -o-transform: rotate(-140deg);
    -ms-transform: rotate(-140deg);
    transition: width 0.6s ease 0s;
    -webkit-transition: width 0.6s ease 0s;
    -moz-transition: width 0.6s ease 0s;
    -o-transition: width 0.6s ease 0s;
    -ms-transition: width 0.6s ease 0s;
}

.video_layer .muted_layer.active:after {
    width: 0;

}
.nav_lang li{
    position: relative;
}
@media screen and (max-width: 1200px){

}
@media screen and (max-width: 640px){

}