body {background: url('/images/bgs/iframe_bg.jpg');} 

.rp_captcha
{
    margin-top: 25px;
    padding-top: 5px;
}

.rp_captchaInput
{
    margin-top: 10px;
}

.rp_submit
{
    margin-top: 10px;
    text-align: right;
}