title: what is flipv and fliph : is it removed from css3
body: <pre><code>      &lt;style&gt;
          &lt;!--
         .verticaltext {
             writing-mode: tb-rl;
             filter: flipv fliph;
          }
         --&gt;
         &lt;/style&gt; 
  </code></pre>
  
  <p>what is flipv and fliph ? Even if i remove them I can see the text vertical ? I have seen many places it's used and at some not...</p>