.megamenu{
position: absolute;
display: none;
left: 0;
top: 0;
background: white;
z-index: 100;
}

.megamenu .column{
float: left;
width: 120px; /*width of each menu column*/
margin-right: 5px;
}

.megamenu .column ul{
margin: 0;
padding: 0;
list-style-type: none;
}

.megamenu .column ul li{
padding-bottom: 5px;
}

.megamenu .column h3{
background: #e0e0e0;
font: bold 13px Arial;
margin: 0 0 5px 0;
}

.megamenu ul.column  li a{
text-decoration: none;
display:block;
padding:10px;
width:90%;
}

.megamenu ul.column  li a:hover{
color: red;
}