article {
    display: grid;
    grid-template-areas: 'header' 'toc' 'content';
    grid-template-columns: 100%;
    grid-template-rows: repeat(3, auto);
}

article > #header {
    grid-area: header;
    margin-bottom: 2rem;
}

article > #header > i {
    color: var(--accent);
    display: block;
    font-size: 1rem;
}

.toc-container {
    grid-area: toc;
    display: grid;
    place-items: center;

    width: fit-content;

    margin: 0 auto;
    padding: 1rem 4rem;
    background-color: var(--grey3);
    border-radius: .5rem;
    box-shadow: 0 1rem 2rem var(--grey1);
}

.toc-container > .toc {
    width: max-content;
    display: grid;
}

.toc > * {
    width: 100%;
    display: block;
}

.toc-title {
    margin-top: 0;
    font-size: 1.25rem;
    color: var(--primary);
}

.toc-h2 {
    margin-left: .5rem;
    font-size: .8rem;
}

.toc-h3 {
    margin-left: 1rem;
    font-size: .75rem;
}

.toc-h4 {
    margin-left: 1.5rem;
    font-size: .7rem;
}

.toc-h5 {
    margin-left: 2rem;
    font-size: .65rem;
}

.toc-h6 {
    margin-left: 2.5rem;
    font-size: .6rem;
}

article > .content {
    grid-area: content;
}