* { margin: 0px; padding: 0px; list-style-type: none; }
a, img { border: 0px none; }

#leftsead { width: 131px; height: 143px; position: fixed; top: 120px; right: 0px; }
#leftsead li { width: 131px; height: 60px; }
#leftsead li img { float: right; }
#leftsead li a { height: 49px; float: right; display: block; min-width: 47px; max-width: 131px; }
#leftsead li a .shows { display: block; }
#leftsead li a .hides { margin-right: -143px; cursor: pointer; }
#leftsead li a.youhui .hides { display: none; position: absolute; right: 190px; top: 2px; }