leilukin-site/css/style-toc.css

/* Article Table of Contents */
.toc {
    background-color: var(--clr-quote-bg);
    max-width: max-content;
    padding: 1rem 1.3rem 0.3rem 1.3rem;
    margin-top: 1rem;
    outline: 1px solid var(--clr-title-border);
    position: relative;
    border-radius: 0.4rem;
}

.toc-heading {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    margin-right: 2rem;
    cursor: pointer;
}

.toc ol {
    border-top: 1px solid var(--clr-title-border);
    padding: 0.8em 0 0 1em;
    line-height: 1.8;
}

.toc ol ul {
    list-style-type: disc;
    line-height: 1.5;
    padding-left: 1em;
}

.toc a {
    font-size: 1.1rem;
    padding-left: 0.4rem;
}

.toc ul a {
    padding: 0;
    font-size: 1rem;
}

/* Sidebar Table of Contents */
.left-sidebar {
    display: none;
}

.sidebar__toc {
    position: sticky;
    top: 5rem;
}

.sidebar__toc-title {
    font-size: 1.3rem;
    font-weight: bold;
}

.sidebar__toc ol {
    list-style: none;
    margin-left: 0;
    padding-left: 0;
    font-size: 1rem;
}

.sidebar__toc ol li {
    margin-bottom: 0.5em;
}

.sidebar__toc ol ul {
    padding-top: 0.5em;
    padding-left: 1.25rem;
    list-style-type: disc;
}

@media only screen and (min-width: 43.75rem) {
    .left-sidebar {
        display: flex;
    }
}