footer {
    border-top: 1px solid lightgray;
    margin-top: 64px;
}

h1 {
    margin-top: 64px;
}

h3 {
    margin-top: 8px;
}

p {
    margin-top: 24px;
}

ul {
    margin-left: 24px;
    margin-top: 24px;
}

li {
    margin-top: 12px;
}

.content {
    max-width: var(--max-width-medium);
    margin: 0 auto;
}

@media screen and (max-width: 640px) {
    h1 {
        margin-top: 24px;
    }

    footer {
        margin-top: 24px;
    }
}