/* Basic code - don't modify */
 
  #nav2 { display: block; margin: 0; padding: 0; position: relative; }
  #nav2 li { display: block; list-style: none; margin: 0; padding: 0; float: left; position: relative; }
  #nav2 a { display: block; }
  #nav2 ul { display: none; position: absolute; left: 0; margin: 0; padding: 0; }
  * html #nav2 ul { line-height: 0; } /* IE6 "fix" */
  	 #nav2 ul a { zoom: 1; } /* IE6/7 fix */
         #nav2 ul li { float: none; }
         #nav2 ul ul { top: 0; }
    
/* Essentials - configure this */

#nav2 ul { width: 240px; }
#nav2 ul ul { left: 241px; }

/* Everything else is theming */
 
#nav2 { background-color: #90ee90; height: 36px; }
#nav2 *:hover { background-color: none; }
#nav2 a { border-right: 1px solid white; color: #696969; font-size: 20px; padding: 6px; line-height: 1; text-decoration:none}
  #nav2 li.hover a { background-color: #98fb98; }
  #nav2 ul { top: 37px; } /* 最上階層からの距離 */
    #nav2 ul li a { background-color: #90ee90; }
      #nav2 ul a.hover { background-color: #98fb98; }
   #nav2 ul a { border-bottom: 1px solid white; border-right: none; opacity: 0.9; filter: alpha(opacity=90); }
/* #nav2 ul a { border-bottom: none; } - I also needed this for IE6/7 */