input去边框+easyui-numberbox只能数字+input高亮

input去边框
<input  style="border:0px;"/>   

 <!--easyui-numberbox只能数字  --> 
 <input class="easyui-numberbox" />

  <span class="textbox easyui-fluid numberbox">
   <input class="easyui-validatebox " type="text"  style="border:0px;"/>   
</span>