.haccordion .header, .haccordion .content{
   float: left;
   height: 250px;
  }

  .haccordion .header{
   width: 20px;
   background: #ccc;
   color: #fff;
   cursor: pointer;
  }

  .haccordion .content{
   display: none;
   width: 0px;
   overflow: auto;
  }

  .haccordion .content p{
   margin: 5px;
  }