.prize_gv .AspNet-GridView table
{
    width: 100%;
    
}
.prize_gv .AspNet-GridView table thead tr th
{
    font-weight: bold;
    text-decoration: underline;
}

.prize_gv .AspNet-GridView table tbody tr td
{
    border: thin solid #C0C0C0;
}

.prize_gv .AspNet-GridView table tbody tr.AspNet-GridView-Alternate td
{
    background-color: #C0C0C0;
}