em{font-style:normal;display:inline-block}.small_icon{width:14px;height:8px}.mid_icons{width:40px;height:40px}.big_icons{width:50px;height:50px}.aa{width:100px;background:#ccc}.h8{width:14px;height:8px;background:url("img/arrowDown.gif") 0 0 no-repeat}.h40{width:40px;height:40px;background:url("img/gd.png") 0 0 no-repeat}.h50{width:50px;height:50px;background:url("img/error.png") 0 0 no-repeat}a{background:#f00}