#class_left {
 float: left;
 width: 200px;
 height: 400px;
 background: #f3f3f3;
}
#class_left ul .bigclass{
 background: #da251e;
 height: 80px;
 line-height:80px;
 font-size: 16px;
 color: #FFF;
 padding-left: 40px;
}
#class_left ul li {
 line-height: 35px;
 height: 35px;
 padding-left: 40px;
}
#class_left ul a{font-size:16px;}


#class_right {
 float: right;
 min-height: 400px;
 width: 788px;
}
#class_right ul {
 height: 40px;
 line-height: 40px;
 background: #f8f8f8;
 padding-left: 10px;
}
#class_right ul li {
 font-size: 14px;
 line-height: 30px;
 height: 30px;
}