;
    background-color: yellow;
  }
&lt;/style&gt;
</pre>

  <h3 id="Grid_Backgrounds">Grid Backgrounds</h3>
  <p>
    The background grid of the time axis can be styled, for example to highlight
    weekends or to create grids with an alternating white/lightgray background.
  </p>
  <p>
    Depending on the zoom level, the grids get certain css classes attached.
    The following classes are available:
  </p>

  <table class="styles">
    <tr>
      <th>Description</th><th>Values</th>
    </tr>
    <tr>
  