List box style in asp.net

.ListBox
{
    border-color: #476AB4;
    border-top-style: solid;
    border-right-style: solid;
    border-left-style: solid;
    border-bottom-style: solid;
    border-width: 1px;
    font-family: Tahoma, Arial, Helvetica, sans-serif;
    font-size: 11px;
}