.ContentSection
{
width:600px;
}
.productSection 
{
    border-right:1px solid #ddd;
    float:left;
    margin:10px 4px 0 0;
    padding: 0 12px;
    overflow:hidden;
    width:180px;
}
.productSection h3
{
    margin-top:0;
}
.first
{
    border-left:none;
    margin-left:0;
    padding-left:0;
}
.last
{
    border-right:none;
    margin-right:0;
    padding-right:0;
}