*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    height: 100vh;
}

body {
    margin: 0;
    padding: 0;
    font-size: 1.1em;
    line-height: 1.6;
    color: #333;
    accent-color: red;
}

body-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 60rem;
    margin: 0 auto;
}

body-container>header {
    padding: 1em;
    background-color: #e9e9e9;
    border-bottom: 1px solid #ccc;
    border-radius: 10px;
}

body-container>header h1 {
    text-align: center;
}

main-container {
    flex-grow: 1;
    display: flex;
}

main {
    flex: 1;
    background-color: #e9e9e9;
    max-width: calc(100% - 1em);
    margin: .4em;
    padding: 1em;
    border: 1px solid #ccc;
    border-radius: 10px;
}

aside {
    padding: 1em;
}

[aria-label="Primary"] ul,
[aria-label="Footer"] ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: center;
}

[aria-label="Primary"] li,
[aria-label="Footer"] li {
    list-style-type: none;
    margin: 0 .3em;
}

[aria-current="page"] a {
    text-decoration: none;
    background-color: #eee;
}

pre {
    max-width: 70vw;
    word-wrap: normal;
    overflow-x: auto;
    white-space: pre;
}

body-container>footer {
    padding: 1em;
    background-color: #e9e9e9;
    border-top: 1px solid #ccc;
    text-align: center;
    border-radius: 10px;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #333;
        color: #fff;
    }

    a {
        color: #efd3ff;
    }
}