.webform-client-form input.form-submit {
background: url("/sites/default/themes/whitehouse/img/buttons/btn-submit.png") no-repeat scroll 0 0 transparent;
border: medium none;
color: transparent;
display: block;
float: left;
font-size: 0;
height: 25px;
line-height: 0;
overflow: hidden;
text-transform: capitalize;
width: 80px;
}