.megamenu{
position: absolute;
display: none;
left: 0;
top: 0;
background: white;
border: 1px solid #cc0000;  /* 设置大的DIV的边框颜色 */
border-width: 5px 1px;
font: normal 12px Verdana;
z-index: 1;

}

.megamenu .column{
float: left;
width: 120px; /*width of each menu column*/

}

.megamenu .column ul{
margin: 0;
padding: 0;
list-style-type: none;
}

.megamenu .column ul li{
line-height:25px;
width: 120px;
}

.megamenu .column h3{
background: #e0e0e0;
font: bold 13px Arial;
margin: 0 0 5px 0;
}

.megamenu .column ul li a{
display:block;
text-decoration: none;
padding-left:10px;
}

.megamenu .column ul li a:hover{
color: white;   /* 链接文字颜色 */
background:#cc3333; /* 当鼠标移动该区块的时候变色 */
} 