*{margin:0;padding:0}html,body{overflow:hidden}.webgl{position:fixed;top:0;left:0;outline:none}.credit{position:fixed;bottom:10px;left:10px;color:#fff;font-family:Arial,sans-serif;font-size:12px;z-index:1;background-color:#00000080;padding:8px 12px;border-radius:4px}.credit a{color:#0af;text-decoration:none}.credit a:hover{text-decoration:underline}