matrix.org/sass/_blog.scss

article.post {
    width: 100%;
    word-break: break-word;

    h2:first-of-type {
        margin-block-start: 0;
    }

    &:not(:last-of-type) {
        padding-bottom: 1rem;
        margin-bottom: 2.5rem;
        border-bottom: 2px solid #ddd;
    }

    &:last-of-type {
        margin-bottom: 1.5rem;
    }

    table {
        table-layout: fixed;
        border-spacing: 0;

        th {
            border-top: 1px solid var(--borders-color);
        }

        td,
        th {
            padding: .5rem;
            border-bottom: 1px solid var(--borders-color);
        }

        td:first-of-type,
        th:first-of-type {
            border-left: 1px solid var(--borders-color);
        }

        td:last-of-type,
        th:last-of-type {
            border-right: 1px solid var(--borders-color);
        }

        th:first-of-type {
            border-top-left-radius: 16px;
        }

        th:last-of-type {
            border-top-right-radius: 16px;
        }

        tbody tr:last-of-type {
            td:first-of-type {
                border-bottom-left-radius: 16px;
            }

            td:last-of-type {
                border-bottom-right-radius: 16px;
            }
        }

        tr:nth-child(odd) td {
            background-color: #eee;
        }
    }

    blockquote {
        margin: 0 0 10px 0;
        padding: 10px 20px;
        border-left: 5px solid #E2E2E2;
    }

    header {
        margin-bottom: 1rem;
    }
}

.post-main {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    align-self: center;

    .callout {

        display: grid;
        grid-template-columns: 300px auto;
        color: #fff;
        background-color: #000;
        border-radius: 16px;

        @media (max-width: 767px) {
            grid-template-columns: auto;
            grid-template-rows: 10rem auto;
        }

        .left-col {
            display: grid;
            place-content: center;
            background-image: url("/assets/mandala.svg");
            background-size: cover;
            background-repeat: no-repeat;
            background-position: center;

            h2 {
                margin: 2rem;
                text-align: center;
            }
        }

        .right-col {
            padding: 2rem;
        }

        a {
            color: rgba(34, 109, 227);
        }

        .call-to-action {
            display: inline-block;
            font-size: 1.125rem;
            font-weight: 700;
            background-color: rgba(34, 109, 227);
            padding: .5rem 1.5rem;
            border-radius: 9999px;
            color: #fff;
            margin-block-start: 1rem;
        }

        .call-to-action:hover {
            background-color: #fff;
            color: rgba(34, 109, 227);
        }
    }

    aside {
        @media (max-width: 1023px) {
            display: none;
        }

        a {
            color: rgb(51, 51, 51);

            &:hover {
                color: rgb(0, 152, 212);
            }
        }

        &>:first-child {
            margin-top: 0;
        }

        &>ul>li:not(:last-child) {
            margin-bottom: .5rem;
        }

        flex: 1 1;
        max-width: 320px;
        margin-left: 4rem;
        padding: 1.5rem;
        background-color: #f4f4f4;
    }
}

.post-content {
    // Use all of the space not taken by the sidebar
    flex: 3;
    // Necessary to allow the pre to scroll on overflow
    min-width: 0;

    blockquote {
        h2 {
            font-size: 1.5rem;
        }

        h3 {
            font-size: 1.2rem;
        }

        h4 {
            font-size: 1.1rem;
            font-style: italic;
        }
    }
}

#continue-reading {
    // scroll a bit further down so the header doesn't obstruct the content that was scrolled to
    scroll-margin-top: 60px;
}

h3 a {
    color: var(--color-link);
}

.footnote-definition>p {
    display: inline;
}