.accordion {
      background-color: #eee;
      color: #444;
      cursor: pointer;
      padding: 18px;
      width: 100%;
      text-align: left;
      border: none;
      outline: none;
      transition: 0.4s;
    }
  
    /* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
    .active, .accordion:hover {
      background-color: #ccc;
    }
    
    /* Style the accordion panel. Note: NOT hidden by default */
    .panelOpen {
      background-color: white;
      display: block;
      width: 100%;
    }

    /* Style the accordion panel. Note: hidden by default */
    .panelClosed {
      background-color: white;
      display: none;
      padding: 18px;
      width: 100%;
    }
  
    .accordion:after {
      content: '\02795'; /* Unicode character for "plus" sign (+) */
      font-size: 13px;
      color: #777;
      float: right;
      margin-left: 5px;
    }
    
    .active:after {
      content: "\2796"; /* Unicode character for "minus" sign (-) */
    }