.nbVideoLink {padding-top: 56%; display: block; background-repeat: no-repeat; background-position: center center; background-size: cover; position: relative;}
.nbVideoLink:before {content: ''; cursor: pointer; background: url(images/player.svg) no-repeat center center; position: absolute;height: 100%; width: 100%; opacity: .8; filter: alpha(opacity=80); transition: all 0.2s ease-out; top: 0px; left: 0px;}
.nbVideoLink:hover:before { opacity: 1; filter: alpha(opacity=100);}