:root {
    --light-background-color: #eeeeee;
    --dark-background-color: #333333;

    --light-nav-colour: #fea;
    --dark-nav-colour: #7D6608;
    --nav-color: var(--light-nav-colour);

    --light-body-colour: #7db9e8;
    --dark-body-colour: #0f2e52;
    --body-colour: var(--light-body-colour);
    --body-gradient: linear-gradient(to bottom, #1e5799 0%, var(--light-body-colour) 100%);

    --link-color: #8b0000;
    --link-hover-color: #fa3;
    --link-visited-color: var(--link-color);
    --link-active-color: var(--link-color);
}

@media (prefers-color-scheme: dark) {
    :root {
        --nav-color: var(--dark-nav-colour);
        --body-colour: var(--darl-body-colour);
        --body-gradient: linear-gradient(to bottom, #1e5799 0%, var(--dark-body-colour) 100%);
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: #700;
}

html {
    font-size: 1rem;
    font-size: clamp(1rem, 0.9rem + 0.25vw, 1.25rem);
}

body {
    background: var(--body-colour);
    background: var(--body-gradient);
    background-attachment: fixed;
}

header {
    width: 70%;
    margin: 0 auto;
}

header>nav {
    background-color: var(--nav-color);
    border-top: 1px solid gray;
    font-weight: bold;
}

nav>ul {
    margin: 0 auto;
}

nav ul li ul {
    background-color: var(--nav-color);
}

#social-links ul {
    display: flex;
    justify-content: center;
}

#social-links li {
    padding: 0 0.2rem;
}

#social-links>ul>li>a>img {
    width: 3rem;
}

main {
    border-top: 2px solid #484848;
    border-left: 2px solid #484848;
    box-shadow: 5px 5px 5px #333333;
    border-radius: 25px;
    background-color: var(--background-color);
    padding: 1% 10%;
    flex-grow: 0 !important;
}

#spacer {
    flex-grow: 1;
}

#masthead {
    text-align: left;
    background-color: #336699;
    background-image: url("/images/masthead.jpg");
    background-position: center;
    background-size: cover;
    overflow: hidden;
}

#masthead h1 {
    color: #8b0000;
    margin-left: 0.5em;
    font-size: 2.3em;
}

footer {
    padding-top: 0 !important;
    border-top: none !important;
    font-size: 0.9rem;
}

footer>nav {
    background: none;
    border-bottom: none;
}

#footernav li {
    padding: 0;
}

#footernav li:not(:last-child)::after {
    content: " | ";
}

footer>p {
    margin: 0;
}