<html><head><title>CSS标识当前页</title>
<style type="text/css">
#home #nav li#m1 a, #about #nav li#m2 a, #products #nav li#m3 a, #services #nav li#m4 a, 
#contact #nav li#m5 a{color: #FFF;background: #DC4E1B url(navbg.gif) no-repeat; }
#contact #nav li#m5 adiv li{float:left; padding:5px;}</style></head><body><div id="home"><ul id="nav"> <li id="m1"><a href="index.html">Home</a></li><li id="m2"><a href="about.html">About</a></li> <li id="m3"><a href="products.html">Products</a></li> <li id="m4"><a href="services.html">Services</a></li> <li id="m5"><a href="contact.html">Contact</a></li> </ul></div></body></html>