/* Reset some default browser styles */
* {
    box-sizing: border-box;
}

/* Basic typography */
body {
    font-family: var(--font-family-serif);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family-sans);
    margin-bottom: 1rem;
    font-weight: bold;
}

pre {
    white-space: pre-wrap;
}

/* Navigation */
nav a {
    color: var(--primary-color);
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

[aria-label=Primary] ul,
[aria-label=Footer] ul {
    flex-direction: row;
    justify-content: space-evenly;
    padding: 0;
}

nav ul {
    display: flex;
    flex-direction: column;
}

nav li {
    list-style-type: none;
}

/* Header, Footer */
header,
footer {
    text-align: center;
}