/* Popup container */
  .popup {
    /*position: relative;*/
    display: inline-block;
    cursor: pointer;
    position: fixed;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50%;
  
  }
  
  /* The actual popup (appears on top) */
  .popup .popuptext {
    visibility: hidden;
    width: 160px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px 0;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -80px;
  
  }
  
  /* Toggle this class when clicking on the popup container (hide and show the popup) */
  .popup .show {
    visibility: visible;
    -webkit-animation: fadeinout 5s linear forwards;
    animation: fadeinout 5s linear forwards;
    opacity: 0;
  
  }
  
  
  @-webkit-keyframes fadeinout {
    50% { opacity: 1; }
  }
  
  @keyframes fadeinout {
    50% { opacity: 1; }
  }