.md-typeset h1 {
    display: inline-block;
    font-weight: bold;
    color: #000;
}

.md-typeset h2 {
    color: #696969;
    font-size: 1.75em;
    font-weight: 700;
    line-height: 3em;
    margin: .6 0 0 .9em;
    border-bottom-style: ridge;
    border-bottom-color: rgba(0, 217, 255, 0.89);
    border-bottom-width: 3px;
}

.md-typeset h3 {
    margin: 20px 0;
    font-size: 1.4em;
    text-align: left;
    padding-left: 10px;
    border-left: 5px solid rgba(0, 247, 255, 0.927);
}

.md-typeset h4 {
    margin: 0.4em auto 0.1em;
    font-size: 1.2em;
    padding-left: 6px;
    padding-right: 6px;
    display: inline-block;
    border: 1px solid  rgba(0, 255, 242, 0.927);
    border-top: 4px solid  rgba(0, 255, 191, 0.927);
}