.accordion {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    text-align: left;
    font-weight: bold;
    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: hidden by default */
  .panel {
    padding: 0 18px;
    background-color: white;
    display: none;
    overflow: hidden;
  }

  button.accordion {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    transition: 0.4s;
}

button.accordion.active, button.accordion:hover {
    background-color: #ccc;
}

button.accordion:after {
    content: '\002B';
    color: #777;
    font-weight: bold;
    float: right;
    margin-left: 5px;
}

button.accordion.active:after {
    content: "\2212";
}