#menu_bar  {  margin:0 auto;  padding:0;  height:30px;  width:536px;  display:block;  background:url(images/topMenuImages.png) repeat-x;  }  #menu_bar li  {  padding:0;  margin:0;  list-style:none;  display:inline;  }    #menu_bar li a  {  float:left;  padding-left:15px;  display:block;  color:rgb(0,0,0);  text-decoration:none;  font:12px Verdana, Arial, Helvetica, sans-serif;  cursor:pointer;  background:url(images/topMenuImages.png) 0px -30px no-repeat ;  }  #menu_bar li a span  {  line-height:30px;  float:left;  display:block;  padding-right:15px;  background:url(images/topMenuImages.png) 100% -30px no-repeat;  }  #menu_bar li a:hover  {  background-position:0px -60px;  color:rgb(255,255,255);  }  #menu_bar li a:hover span  {  background-position:100% -60px;  }  #menu_bar li a.active, .menu li a.active:hover  {  line-height:30px;  font:12px Verdana, Arial, Helvetica, sans-serif;  background:url(images/topMenuImages.png) 0px -90px no-repeat;  color:rgb(0,0,0);  }  #menu_bar li a.active span, .menu li a.active:hover span  {  background:url(images/topMenuImages.png) 100% -90px no-repeat;  }