#video-popup {background: radial-gradient(circle,#000, rgba(0,0,0,.85))}
#video-popup > section{background: rgba(0,0,0,.1)}
#video-popup > section:hover{rgba(0,0,0,.8)}
#close-video-popup{color:#fff}
#close-video-popup:hover {color: #f3f3f3;}