rkgk/static/docs.css

:root {
    font-size: 1.05rem;

    --doc-aside-bar-width: 300px;
}

main {
    max-width: 1200px;
    margin: 3rem auto;
    margin-bottom: 100vh;
    text-align: justify;

    display: grid;
    position: relative;
    grid-template-columns:
        [left] minmax(0, 1fr)
        [right] var(--doc-aside-bar-width);
}

main > .wrapper {
    padding: 0 1rem;
}

h1 {
    font-size: 2.25rem;
}

.aside {
    width: var(--doc-aside-bar-width);
    position: absolute;
    right: 0px;

    border-top: 1px solid var(--color-panel-border);
    padding: 0 1rem;
    box-sizing: border-box;
    opacity: 80%;
    font-size: 0.9rem;
}

@media (max-width: 1200px) {
    main {
        display: block;
    }

    .aside {
        position: relative;
        width: 100%;
        border-bottom: 1px solid var(--color-panel-border);
    }
}