.list-videos .item {

}
 .list-videos .item a {

}
 .item .img {
     position: relative;
     background-color: #212121;
     overflow: hidden;
}
 .list-videos .img {
     width: 100%;
     padding-bottom: 56.25%;
     -webkit-backface-visibility: hidden;
     backface-visibility: hidden;
}
 .item .img img:first-child {
     position: absolute;
     top: 0;
     bottom: 0;
     left: 0;
     right: 0;
     width: 100%;
     height: 100%;
     -webkit-backface-visibility: hidden;
     backface-visibility: hidden;
}
 
 .item .touch-preview {
     font-style: normal;
     font-weight: normal;
     font-variant: normal;
     text-transform: none;
     line-height: 40px;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
     text-align: center;
     font-size: 19px;
     opacity: 0;
     visibility: hidden;
}
 .item .touch-preview {
     display: block;
     opacity: 0.6;
     visibility: visible;
     width: 40px;
     height: 40px;
     position: absolute;
     bottom: 5px;
     right: 5px;
     z-index: 20;
     background-color: #000;
     border-radius: 50%;
     color: #fff;
     -webkit-transition: background-color 0.3s;
     transition: background-color 0.3s;
}
 .item .touch-preview::before {
     content: " ";
     background-image: url( 'images/1.png' );
     width: 40px;
     height: 40px;
     display: block;
}