.RadComboBoxDropDown_Web20 .rcbScroll  
{  
    overflow-y:auto;  
    overflow-x:hidden !important;          
}  

.rcbHeader ul,
.rcbFooter ul,
.rcbItem ul, .rcbHovered ul, .rcbDisabled ul
{
    width: 100%;
    display: inline-block;
    margin: 0;
    padding: 0;
    list-style-type: none;
}

.rcbHeader ul:after,
.rcbFooter ul:after,
.rcbItem ul:after, .rcbHovered ul:after, .rcbDisabled ul:after
{
    content: ".";
    display: block;
    visibility: hidden;
    font-size: 0;
    line-height: 0;
    height: 0;
    clear: both;
}

.ItemsComboBoxCol1
{  
    float: left;
    width: 125px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.ItemsComboBoxCol2
{
    float: left;
    width: 300px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.ItemsComboBoxCol3
{
    color: #666666;
    float: left;
    width: 125px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.ItemsComboBoxCol4
{
    float: left;
    width: 50px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.ItemsComboBoxCol5
{
    color: #666666;
    float: left;
    width: 50px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.CustomersComboBoxCol1
{
    float: left;
    width: 350px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

/* Product ComboBox Column Width Setting */

.ProductComboBoxCol1
{
    float: left;
    width:130px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.ProductComboBoxCol2
{
    float: left;
    width: 270px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.ProductComboBoxCol3
{
    float: left;
    width:70px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.ProductComboBoxCol4
{
    float: left;
    width: 150px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

.VendorsComboBoxCol1
{
    float: left;
    width: 350px;
    margin: 0;
    padding: 0 5px 0 0;
    line-height: 14px;
}

 .cols
        {
            float: left;
            width:auto;
            margin: 0;
            padding: 0 5px 0 0;
            line-height: 14px;
        }