.sub-heading {
    height: 0;
    border-top: 1px solid #DDD;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 30px;
}

    .sub-heading span {
        display: inline-block;
        position: relative;
        padding: 0 17px;
        top: -11px;
        font-size: 14px;
        font-weight:700;
        color: #058;
        background-color: #fff;
    }

.panel-danger {
    border-color: #ebccd1;
}