h2.dnnFormSectionHead {
    font-size: inherit;
    font-weight: 700;
    letter-spacing: inherit;
    line-height: inherit;
    margin-bottom: 18px;
    margin-top: 8px;
    border-bottom: 1px solid rbga(0,0,0,.5);
}
h2.dnnFormSectionHead a, h2.dnnFormSectionHead a:hover {
    text-decoration: none;
}