label.control-label,
legend.control-label{
    display: inline-block;
    max-width: 100%;
    font-size:2.1rem;
    margin-bottom: 3px;
    font-weight: bold;
    border:0;
}
fieldset fieldset{
    margin: 0 0 20px;
}

fieldset fieldset label.control-label{
    font-size:1.8rem;
    font-weight: 500;
}