#acc{width:660px; margin:20px auto}
.acc{width:660px;}
.acc dt {width:642px;height:27px;border:1px solid #e3e3e3;padding:10px 8px 0px 8px;font-weight:bold;margin-top:5px;cursor:pointer;background:url(../images/acc-normal.png) 0 0 repeat-x;font-size:13px;color:#476c8b;}
.acc dt:hover {background:url(../images/acc-hover.png) 0 0 repeat-x}
.acc dd { width:auto;overflow:hidden;background:#e3e3e3;font:normal 12px/17px "Trebuchet MS", Arial, Helvetica, sans-serif;text-align:left;}