html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h2 {
    margin: 0;
    padding: 12px;
    text-align: center;
    background: aliceblue;
}

h1 {
    color: #493657;
    font-family: Georgia, "Times New Roman", serif;
}

nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0;
    padding: 0 25px;
    list-style: none;
    background: #000;
}

nav li {
    padding: 25px;
}

nav a {
    color: lightgray;
    text-decoration: none;
}

nav a:hover {
    color: palegoldenrod;
}

main {
    flex: 1;
    display: grid;
    place-content: center;
    justify-items: center;
    text-align: center;
    padding: 1.5rem;
}

main :is(h1, p, ul) {
    width: min(100%, 760px);
}

main ul {
    margin: 0;
    padding: 0;
    list-style-position: inside;
}

footer {
    margin: 0;
    padding: 25px;
    text-align: center;
    color: lightgray;
    background: #000;
}