@charset "UTF-8";.ch4-fullwidth{width:100%;position:relative}.ch4-bgleft,.ch4-bgright{position:absolute;top:0;width:33%;height:100%;opacity:.1}.ch4-bgleft{left:-300px;background:url(img/Ep4_GIF2.gif) repeat-y;background-size:contain}.ch4-bgright{right:-300px;background:url(img/Ep4_GIF1.gif) repeat-y;background-size:contain}