.media-audio{display:none}body .app,html{color:#333;font-family:Arial,Helvetica,STHeiti STXihei,Microsoft YaHei,Tohoma,sans-serif;background-color:#f8f8f8}#app,.app-container,body,html{width:100%;height:100%;position:relative;left:0;top:0}.app-container{box-sizing:border-box;overflow-y:scroll}