body {
    margin: 0;
    background: #ffccee;
    color: black;
    font-family: system-ui, sans-serif;
}

header {
    padding: 30px 20px 0;
    text-align: center;
}

nav {
    font-size: 18px;
}

nav span {
    opacity: 1;
}

main,
footer {
    max-width: 700px;
    margin: auto;
    text-align: center;
}

main {
    padding: 40px 40px;
    line-height: 1.5;
}

footer {
    padding: 0 40px;
    line-height: 1;
}

a {
    color: inherit;
    opacity: .7;
    text-decoration: none;
    transition: opacity .2s ease;
}

a:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    main {
        padding: 40px 16px;
    }

    footer {
        padding: 0 16px;
    }
}