.video-player{height:98vh}.participant_track video{position:relative;height:98vh}.top-right{position:absolute;top:0;right:3vh}.bottom-bar{position:absolute;bottom:3vh;left:50%}.local-track{background-color:transparent}.local-track,.local-track video{height:15vh;width:20vh}.btn-active{background-color:#b22222}