.tooltip-container {
    position: relative;
    display: inline-block;
    cursor: pointer;
  }

  .tooltip-text {
    visibility: hidden;
    width: 400px;
    background-color: #333;
    color: #fff;
    text-align: justify;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%; /* oberhalb des Icons */
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 1.0em;
  }

  .tooltip-container:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
  }

  .question-mark {
    font-weight: bold;
    background-color: #ccc;
    color: black;
    border-radius: 50%;
    padding: 4px 8px;
    font-size: 16px;
  }