.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999;
    display: none;
}

.popup {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid #ddd;
    background-color: white;
    padding: 20px;
    z-index: 1000;
    width: 300px; 
    box-shadow: 0px 0px 10px rgba(0,0,0,0.5);
}

.popup h3 {
    margin-bottom: 15px;
}

.popup a {
    color: #007bff;
    text-decoration: none;
    margin-bottom: 10px;
    display: block;
}

.popup button {
    margin-top: 15px;
}


hr {
    border: none;
    border-top: 1px solid #333;
    color: #333;
    overflow: visible;
    text-align: center;
    height: 5px;
  }
  
  .hr-de::after {
    background: #fff;
    content: 'DE';
    position: relative;
    top: -13px;
  }

  .hr-us::after {
    background: #fff;
    content: 'US';
    position: relative;
    top: -13px;
  }

  .hr-uk::after {
    background: #fff;
    content: 'UK';
    position: relative;
    top: -13px;
  }

  #bookSuggestions {
    height: 300px; 
    overflow-y: auto;
}