form span.file_name_holder 
{
    display: inline-block;
    padding-top: 9px;
    border-bottom: 2px #f6f6f6 solid;
    width: 100%;
    padding-bottom: 6px;
}
form textarea
{
    width: 100% !important;
    min-height: 150px !important;
    font-size: 13px;
    overflow-y: auto;
}