details {
    margin: 1rem;
    padding-left: 10px;
  }
  summary {
    font-weight: bold;
    list-style-image: url(https://vistaplan.de/stepsec/sites/default/files/inline-images/plus-20.svg);
    cursor:pointer;
    padding-left: 10px;
    text-indent:-30px;
  }
  details[open] > summary {
    list-style-image: url(https://vistaplan.de/stepsec/sites/default/files/inline-images/minus-20.svg);
    cursor:pointer;
  }
  summary::-webkit-details-marker {
    background: url(https://vistaplan.de/stepsec/sites/default/files/inline-images/plus-20.svg);
    color: transparent;
    cursor:pointer;
    padding-left: 10px;
    text-indent:-30px;
  }
  details[open] > summary::-webkit-details-marker {
    background: url(https://vistaplan.de/stepsec/sites/default/files/inline-images/minus-20.svg);
    cursor:pointer;
  }

  figure {
    background: none;
  }

  .modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.7);
      z-index: 1000;
  }
  .modal-overlay-text {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: white;
      font-size: 24px;
  }
  .ul-annahmen {
    font-size:small;
    line-height: 175%;
  }
  #map {
    min-height:75vH;
    width:100%;
  }