h1        { font-weight: 800; font-size: 28px }
h2        { font-weight: bold; font-size: 24px }
h3        { font-weight: bold; font-size: 20px }
h4        { font-weight: normal; font-size: 18px }
h5      { font-weight: lighter; font-size: 14px }
h6     { font-weight: lighter; font-size: 12px }