ul, ol { padding: 0;}

.banner { position: relative; overflow: auto; text-align: center;}
.banner li { list-style: none; }
.banner ul li { float: left; }

#b04 { width: 370px;}


#b04 .arrow { position: absolute; top: 135px;}
#b04 #al { left: 15px;}
#b04 #ar { right: 15px;}