1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
10 background-color: yellow;
13 background-color: red;
19 background-color: cyan;
26 onmouseover="firstChild.style.visibility='visible'"
27 onmouseout="firstChild.style.visibility='hidden'"><div class="inner"></div></div>