fix own video not showing on setup

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

css/style.css

@@ -128,6 +128,7 @@ video {
 }
 
 /* big speaker video */
+.participants-1 .videoContainer,
 .participants-2 .videoContainer,
 .videoContainer.speaking {
 	position: absolute;