body {
    --header-color: #2B60DE;
    --sub-header-color: #990000;
    --border-color: #cccccc;

    --color-heliodor: #f7f6ee;
    --color-maxixe: #2B60DE;
    background-color: var(--color-heliodor);

    font-family: Georgia, 'Times New Roman', Times, serif;
    max-width: 600px;
    margin-top: 6em;
    margin-bottom: 5em;
    margin-left: auto;
    margin-right: auto;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #1b1b1b;
        color: #cccccc;
        --header-color: #a7ffff;
        --sub-header-color: #ffa7a7;
    }

    *:link {
        color: #58a6ff;
    }

    *:visited {
        color: #d258ff;
    }
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

header {
    font-family: Arial, Helvetica, sans-serif;
}

footer {
    margin-top:1em;
    text-align: center;
}

section p {
    font-size: 1.25em;
    text-indent: 1em;
    line-height: 1.5em;
    margin: 0;
}

section p:first-of-type {
    text-indent: unset;
}

section p:first-of-type:first-letter {
    line-height: 1em;
    font-size: 300%;
    margin-right: 0.1em;
    float: left;
}

h1 {
    font-size: 2em;
    color: var(--header-color);
    font-weight: unset;
}

h2 {
    font-size: 1.7em;
    color: var(--header-color);
    font-weight: unset;
    text-align: center;
}

header {
    text-align: center;
}

header > p {
    font-size: 1.25em;
    font-style: italic;
    color: var(--sub-header-color);
}

header > .author {
   font-size: 1.2em;
   color: var(--header-color);
   font-style: italic;
   text-align: right;
}

#toc {
    position: fixed;
    top: 0;
    left: 0;
}

#toc a {
    display: block;
    margin-left: 1em;
    line-height: 1.5em;
}

footer {
    display: flex;
    align-items: center;
    justify-content: center;
}
footer > svg {
    margin-right: 1em;
}

@media only screen and (max-width: 950px) {
    #toc {
        position: unset;
        top: unset;
        left: unset;
    }
}