.loading{margin-top:10em;text-align:center;color:gray}#play-controls{position:absolute;bottom:0;text-align:center;min-width:310px;max-width:800px;margin:0 auto;padding:5px 0 1em 0}#play-controls *{display:inline-block;vertical-align:middle}#play-pause-button{color:#666;width:30px;height:30px;text-align:center;font-size:15px;cursor:pointer;border:1px solid silver;border-radius:3px;background:#f8f8f8}#play-range{margin:2.5%;width:70%}#play-output{color:#666;font-family:Arial,Helvetica,sans-serif}