div.maincontent
{
width: 900px;
height: 660px;
color: #ffffff;
}
div.maincontent div
{
float: left;
background-color: #FFFFFF;
color: #666666; font-weight: normal; font-size: 11px; line-height: 14px; font-family: verdana, arial, sans-serif;
}
div.maincontent div.left_sidebar
{
width: 225px;
height: 680px;
}
div.maincontent div.center_content
{
width: 345px;
height: 680px;
margin-right: 15px;
}

div.maincontent div.right_content
{
width: 300px;
height: 680px;
margin-right: 15px;
}