.yt-button-simple-fslb-mvb {
content: url(//thueringen-kreativ.de/wp-content/plugins/simple-lightbox-fslight/css/icon-fullscreen-white.png) !important;
z-index: 20;
position: absolute;
height: auto;
width: auto;
padding-left: 5px;
padding-right: 5px;
background: #f50505af;
border-radius: 4px;
}
.yt-button-simple-fslb-mvb:hover {
-webkit-box-shadow: 1px 3px 14px 0px rgba(0, 0, 0, 0.68);
box-shadow: 1px 3px 14px 0px rgba(0, 0, 0, 0.68);
background: #f50505ff;
}