h1{text-align:center}body{padding:10px}.setup,.controls{display:flex;width:100%}.setup>div{flex-grow:1;margin:0 10px}#gainSlider{margin-top:20px;margin-bottom:35px}.controls{margin-top:20px;margin-bottom:20px}.controls>button{margin:0 10px}.analyserControls{display:flex}.analyserControls>div{flex-grow:1}#videoWrap{display:flex;justify-content:center;margin-top:20px}#video{display:flex;gap:20px;height:500px}#localVideo,#remoteVideo,#localVideo>video,#remoteVideo>video{height:100%}.hidden{display:none}