body { background-color: black; }
/* Style the video: 100% width and height to cover the entire window */
#myVideo {
 position: fixed;
 right: 0;
 bottom: 0;
 min-width: 100%;
 min-height: 100%;
}

/* Add some content at the bottom of the video/page */
.content {
 position: fixed;
 bottom: 0;
 background: rgba(0, 0, 0, 0.5);
 color: #f1f1f1;
 width: 100%;
 padding: 20px;
 font-family: Helvetica;
}