at they can be used or referenced as a single unit. A typical example of this is a “typography style” as found in many design tools, which is a combination of the font name, weight, style, and color.</p>
  <p>Other examples might be:</p>
  <ul>
  <li><strong>color pairs</strong>, e.g. a combination of foreground and background color</li>
  <li><strong>shadows</strong>, e.g. a combination of color, blur (a dimension value), x &amp; y offsets (also dimension values), and opacity (a number value)</li>
  <l