.shadetabs{
width:550px;
padding:0;
margin-top:30px;
list-style-type: none;
text-align: left; /*set to left, center, or right to align the menu as desired*/
}

.shadetabs li{
margin: 0;
padding-bottom:20px;
}

.contentstyle{
width:675px;
margin-bottom:15px; padding: 10px;
}