.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 15%;
    top: 10px;
    width: 70%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.2); /* Black w/ opacity */
  }
  
  /* Modal Content/Box */
  .modal-content-viewer {
    background-color: #fefefe;
    margin-top : 1%;
    margin-left : 5%;
    border: 1px solid #888;
    width: 90%; /* Could be more or less, depending on screen size */
    height : 96%;
  }
  
  /* The Close Button */
  .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
  }
  
  .close:hover,
  .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
  }

 .popup-menu {
  display: none;
  position: fixed;
  background-color: rgba(0,0,0,0.3);
  border-radius: 20px;
  width : 15vh;
  height : 20vh;
  z-index: 9;
}
 
 .popup-spotkanie {
  display: none;
  left : 70vh;
  top : 20vh;
  position: fixed;
  background-color: rgba(0,0,0,0.6);
  color : white;
  border-radius: 20px;
  width : 70vh;
  height : 40vh;  
  z-index: 9;
}