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              <ul>
         <div id="select">
       <div id="smallselect">
           <span>學務處</span>
           <span>教務處</span>
           <span>總務處</span>
       </div>
       <li><a href="x">首頁入口</a></li>
   </div>
         <div id="select">
       <div id="smallselect">
           <span>聯絡方式</span>
           <span>教師資格</span>
       </div>
       <li><a href="x">教師訊息</a></li>
   </div> 
         <div id="select">
       <div id="smallselect">
           <span>招生簡章</span>
           <span>招生方式</span>
       </div>
       <li><a href="x">招生訊息</a></li>
   </div>
         <div id="select">
       <div id="smallselect">
           <span>學校電話</span>
           <span>學校地址</span>
           <span>學校信箱</span>
       </div>
       <li><a href="x">聯絡我們</a></li>
   </div>
</ul>

            
          
!
            
              #select{
  display:inline-block
}
#select:active .smallselect{
  display:block;
}
#smallselect{
  display:none;
  position:absolute;
}
#smallselect:hover{
  display:block
}
#smallselect span{
  display:block
}
li{
    width:6em;
    height:24px;
}
            
          
!
999px
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