.twtr-bg-video{position:relative;width:100%;height:auto}.twtr-bg-video.is-hidden{opacity:0;visibility:hidden}.twtr-bg-video__container{position:relative}.twtr-bg-video__container:active .twtr-bg-video__button--controls,.twtr-bg-video__container:focus .twtr-bg-video__button--controls,.twtr-bg-video__container:hover .twtr-bg-video__button--controls{opacity:1}.twtr-bg-video__button--controls{transition:opacity .3s ease-in-out;position:absolute;right:20px;bottom:20px;outline-width:0}.twtr-bg-video__button--controls:active,.twtr-bg-video__button--controls:focus,.twtr-bg-video__button--controls:hover{outline-width:0}