.document h1:first-child,
.document h2:first-child,
.document h3:first-child {
    margin-top: 0;
}
.document h1:last-child,
.document h2:last-child,
.document h3:last-child {
    margin-bottom: 0;
}

.document h1 {
    margin: 64px 0 16px;
    padding: 0;
    font-weight: 500;
    font-size: 32px;
}
.document h2 {
    margin: 64px 0 16px;
    padding: 0;
    font-weight: 500;
    font-size: 28px;
    border-bottom: solid 2px var(--half);
}
.document h3 {
    margin: 64px 0 16px;
    padding: 0 0 0 8px;
    font-weight: 500;
    font-size: 24px;
    border-left: solid 8px var(--half);
}
.document h4 {
    margin: 16px 0;
    padding: 0;
    font-weight: 400;
    font-size: 20px;
}
.document h5 {
    margin: 16px 0;
    padding: 0;
    font-weight: 400;
    font-size: 16px;
}
.document h6 {
    margin: 16px 0;
    padding: 0;
    font-weight: 400;
    font-size: 12px;
}
.document .joinHeading {
    margin-top: 16px;
}