.videoBox{position: relative; cursor: pointer;}
.videoBox::before{content: ""; position: absolute; height: 100px; width: 100px; background: url("https://www.manageengine.com/products/ad-manager/images/youtube-icon-red.png") no-repeat; background-size: contain; left: 0; top: 0; right: 0; bottom: 0; margin: auto;}
.vidVisible::before{display: none;}
@media screen and (max-width: 767px){
#vid1, #vid2{width: 100%;}
}