/* zdroj: https://www.w3schools.com/howto/howto_css_modal_images.asp */

img.nahled {
    padding: 0.25rem;
    background-color: #fff;
    border: 1px solid var(--bs-border-color);
    border-radius: 0.375rem;
    max-width: 100%;
    max-height: 13vw;
}

/* Style the Image Used to Trigger the Modal */
img.nahled {
    cursor: pointer;
    transition: 0.3s;
  }
  
  img.nahled:hover {opacity: 0.7;}
  
  /* The Modal (background) */
  .nahled_modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    padding-top: 100px; /* Location of the box */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
  }
  
  /* Modal Content (Image) */
  .modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
  }
  
  /* Caption of Modal Image (Image Text) - Same Width as the Image */
  .modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 150px;
  }
  
  /* Add Animation - Zoom in the Modal */
  .modal-content, .modal-caption {
    animation-name: zoom;
    animation-duration: 0.6s;
  }
  
  @keyframes zoom {
    from {transform:scale(0)}
    to {transform:scale(1)}
  }
  
  /* The Close Button */
  .modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    transition: 0.3s;
    opacity: 0.8;
  }
  
  .modal-close:hover,
  .modal-close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
  }
  
  /* 100% Image Width on Smaller Screens */
  @media only screen and (max-width: 700px){
    .modal-content {
      width: 100%;
    }
  }