/* Style the buttons that are used to open and close the accordion panel */
.accordion {
  .tfgnnviz {
      background-color: #eee;
      color: #444;
      cursor: pointer;
      padding: 18px;
      width: 50%;
      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: hidden by default */
.panel {
  padding: 0 18px;
  background-color: white;
  display: none;
  overflow: hidden;
}
