lass="tags">
  <p class="tag_title">Parameters:</p>
<ul class="param">
  
    <li>
      
        <span class='name'>width</span>
      
      
        <span class='type'>(<tt>Integer</tt>)</span>
      
      
      
        &mdash;
        <div class='inline'><p>the width of the viewport</p>
</div>
      
    </li>
  
    <li>
      
        <span class='name'>height</span>
      
      
        <span class='type'>(<tt>Integer</tt>)</span>
      
      
      
        &mdash;
        <div class='inline'><