title: CSS height=100% for Textarea isn't working in IE6/IE7?
body: <p>My code:</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
      &lt;title&gt;Demo&lt;/title&gt;
      &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt;
      &lt;style type="text/css"&gt;
          body {
              background: none repeat scroll 0 0 #EFEFEF;
              overflow: hidden;
              position: relative;
              margin: 0px;
              padding: 10px;
          }
          div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td {
              margin: 0;
              padding: 0;
          }
          #content{
              height:200px;
          }
          fieldset,textarea{
              border: 0 none;
          }
          #LeftPanel
          {
              width: 48%;
              float: left;
              height:100%;
          }
          .window {
              border: 1px solid #ADADAD;
              width: 100%;
              float: left;
          }
          .top {
              height: 25%;
          }
          .bottom {
              height: 75%;
          }
          .code{
              width:100%;
              height:100%;
          }
      &lt;/style&gt;
  &lt;/head&gt;
  &lt;body&gt;
  &lt;div id="content"&gt;
      &lt;fieldset id="LeftPanel"&gt;
          &lt;div id="div_A" class="window top"&gt;
              &lt;textarea id="code_A" class="code"&gt;A&lt;/textarea&gt;
          &lt;/div&gt;
          &lt;div id="div_B" class="window bottom"&gt;
              &lt;textarea id="code_B" class="code"&gt;B&lt;/textarea&gt;
          &lt;/div&gt;
      &lt;/fieldset&gt;
  &lt;/div&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>It works well in Chrome, Firefox, IE8/IE9, but it doesn't work in IE6/IE7.</p>
  
  <p>In IE6/IE7:</p>
  
  <p><img src="https://i.stack.imgur.com/r3xFe.jpg" alt="enter image description here"></p>
  
  <p>In Firefox:</p>
  
  <p><img src="https://i.stack.imgur.com/RfV4W.jpg" alt="enter image description here"></p>
  
  <p>Who can help me? Thanks!</p>