main>.container {
    /*       top right bottom left */
    padding: 60px 15px 30px 15px;
}

article {
    max-width: 65ch;
    /* limits text to about 65 characters per line */
    margin: 0 auto;
    /* centers the article inside the column */
}

h1 {
    margin-top: 2rem;
    margin-bottom: 1.rem;
}

h2 {
    margin-top: 1.75rem;
    margin-bottom: 1rem;
}

h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.875rem;
}

h4,
h5,
h6 {
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
}