html{width:100%;height:100%}body{margin:0;padding:0}.footer{position:fixed;top:3px;left:10px;padding:2px;display:grid}.controller{position:fixed;top:10px;right:20px;width:300px;background-color:rgba(192,192,192,.2);padding:10px;display:grid;button{margin:5px}}.camera-controller{position:fixed;top:30px;left:20px;width:300px;background-color:rgba(192,192,192,.2);padding:10px;display:grid;button{margin:5px}}