 <p>Following is a list of color options. If an option is missing,
  default color will be used.</p>
  <ul>
  <li><code>foreground</code>: Text color.</li>
  <li><code>foregroundButtonOn</code>: Text color of active toggle
  button. Recommend to use the same value of <code>foreground</code> or
  <code>boxBackground</code>.</li>
  <li><code>foregroundInactive</code>: Text color of inactive
  components. Currently, only used for TabView.</li>
  <li><code>background</code>: Background color.</li>
  <li><code>b