iframe,audio,video{clear:both;outline:0;border-width:0;border-style:solid;border-color:transparent;background:transparent;outline-style:solid;vertical-align:baseline}iframe{max-width:100%}iframe{width:100%}audio,canvas,video{display:inline-block;*display:inline;*zoom:1}audio:not([controls]){display:none}[hidden]{display:none}