background-video-player{display:contents}background-video-skin{--media-object-fit:cover;object-fit:var(--media-object-fit);width:100%;height:100%;display:block;position:relative}background-video-skin>[slot=media]{object-fit:inherit;width:100%;height:100%;position:absolute;inset:0}background-video-skin>img,background-video-skin>picture{object-fit:inherit;width:100%;height:100%}