table {
    border-collapse: collapse;
    background-color: #fdfdfd;
    padding: 5px;
}
td, th {
    border: 1px solid black;
    padding: 5px;
}
th {
    background-color: #eee;
}
code:not(.sourceCode),pre.sourceCode,figure {
    background: white;
    border: 1px solid lightgrey;
    padding: 1px;
}
body {
    max-width: 120ch;
    margin: auto;
    padding: 0 1em;
    background-color: aliceblue;
}

/* Table of Contents */
@media(max-width: 1525px) {
    body nav {
        display: none;
    }
}
body nav {
    display: inline-block;
    float: left;
    margin-right: 1em;
    padding-right: 1em;
    background-color: #fdfdfd;
    border: 1px solid lightgrey;
}
body nav::before {
    content: "Table of Contents";
    display: block;
    font-size: larger;
    font-weight: bolder;
    text-align: center;
}
body nav ul {
    list-style-type: none;
    counter-reset: section;
    padding-left: 1em;
    margin-top: 0;
}
body nav li {
    counter-increment: section;
}
body nav li::before {
    content: counters(section, ".") ". ";
}

footer {
    border-top: 1px solid black;
    margin-top: 2em;
    text-align: center;
}

/* Figures */
.right { float: right; }
figcaption { margin: 0.2em; }