#platform #contents #mainContents #contentsArea #sideNav ul#dd li a.menu {
  display: block;
  padding:0;
  margin:0;
  width: 184px;
  height: 45px;
  text-decoration: none;
}
#platform #contents #mainContents #contentsArea #sideNav ul#dd li .submenu {
	width: 184px;
	margin: -45px 0px 0px 184px;
	visibility: hidden;
	position: absolute;
	z-index: 3;
}
#platform #contents #mainContents #contentsArea #sideNav ul#dd li .submenu a {
  display: inline;
}


/* alpha */
#platform #contents #mainContents #contentsArea #sideNav ul#dd li .submenu {
	filter: alpha(Opacity=90);
	opacity: 0.9;
}