* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: grid;
    grid-template-rows: auto 1fr auto;
    height: 100vh;
}

nav, footer, main {
    padding: 1em 2em;
}

nav ul {
    display: flex;
    gap: 1em;
}

ul, li {
    list-style: none;
}

footer {
    text-align: center;
    font-size: 0.8em;
}

h1 {
    margin-bottom: 0.5em;
}

nav {
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
}

nav a {
    color: black;
}

a[aria-selected="false"] {
    text-decoration: none;
}

main {
    padding: 2em;
}