html { min-height: 100.2%; margin-bottom: 1px; }

div.siteNav div.mainLink { width:930px; height:45px; }
div.siteNav div.home { width:50px; background-image:url(http://www.siue.edu/_files/images/icn-home.png); background-repeat:no-repeat; background-position: center; }
div.siteNav div.home a:hover { background-image:url(http://www.siue.edu/_files/images/icn-home.png); background-repeat:no-repeat; background-position: center; }

 .arrow-small {background: url(http://www.siue.edu/_files/images/arrow-sm.png) no-repeat;}