/*!
 * ------------------
 * filter.css v.1.1 : adding #filterBtns button:focus{...}
 * ------------------
 * filter.css v.1
 * normal filter
 */

  .filterDiv {
    /* float: left; */
    /* background-color: #2196F3; */
    /* color: #ffffff; */
    /* width: 100px; */
    /* line-height: 100px; */
    /* text-align: center; */
    /* margin: 2px; */
    display: none;
  }

  .filter-result .show {
    display: block;
  }

  .filter-result {
    margin-top: 20px;
    /* overflow: hidden; */
  }

  /* Style the buttons */
  .filter_btn {
    border: none;
    outline: none;
    padding: 12px 16px;
    margin: 3px 2px;
    background-color: #f1f1f1;
    cursor: pointer;
  }

  .filter_btn:hover {
    background-color: #ddd;
  }

  #filterBtns .active {
    background-color: #666;
    color: white;
  }

  #filterBtns button:focus{
    outline: none;
  }