.video-float { float: left; width: 400px; margin: 0 20px 20px 0; box-shadow: 0 4px 12px rgba(0,0,0,0.15); border-radius: 10px; overflow: hidden; box-sizing: border-box; }
    .video-float video { display: block; width: 100%; height: auto; }
	@media (max-width: 700px) { 
		.video-float { float: none; width: 100%; max-width: 100%; margin: 20px 0; }
    }