header.course-nav {
    background: lightgray;
    color: black;

    .course-title {
        background-color: #e6e6e6;
        color: black;
    }

    nav a.is-parent-link,
    nav a.router-link-active,
    nav a.router-link-exact-active {
        background-color: white;
        color: red;
    }
}

.content {
    width: 50%;

        @media (orientation: portrait) {
            font-size: 18px;
            width: auto;
        }

    &.h-max-h1 h1,
    &.h-max-h1 .h1 {
        color: red;
        font-size: 1.5em;
        pointer-events: none;
        position: sticky;
        top: 40px;
        width: calc(200% - 10px);

        @media (orientation: portrait) {
            position: static;
            width: auto;
        }
    }

    h2, .h2,
    h3, .h3,
    h4, .h4,
    p, ul,
    code {
        margin-bottom: 1.15em;
    }

    &.h-max-h1 h2,
    &.h-max-h1 .h2,
    &.h-max-h3 h3,
    &.h-max-h3 .h3 {
        border-top: 1px solid;
        color: blue;
        /* font-family: 'Space Grotesk', monospace;
        font-weight: normal; */
        /* letter-spacing: 0.1em; */
    }

    p {
        /* text-indent: 1.15em; */
    }

    li {
        margin-left: 1.15em;
        list-style: square;
    }

    a {
        background-color: #ffffa5;
        text-decoration: none;

        &:hover {
            background-color: transparent;
        }
    }

    code {
        background-color: #666;
        box-shadow: inset 0 0 1em #444;
        color: #eee;
        overflow: auto;
        padding: 1em 0.5em;
    }

    .post {
        margin-top: calc(1.15em * 1);

        h3 {
            border-top: none;
            text-align: center;
        }
    }
}