div.doc-contents h4::before {
    content: "";
    display: block;
    height: 2px;
    background: #e0e0e0;
    margin-bottom: 2em;
    margin-top: 1em;
}

div.doc-contents h5::before {
    content: "";
    display: block;
    height: 2px;
    background: #e0e0e0;
    margin-bottom: 2em;
    margin-top: 1em;
}

div.doc-contents h3::before {
    content: "";
    display: block;
    height: 2px;
    background: #e0e0e0;
    margin-bottom: 2em;
    margin-top: 1em;
}