body {
      font-family: 'Open Sans', sans-serif;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .menu-link {
        position: relative;        
        border-bottom: 2px solid transparent;
        transition: border-color 0.3s ease;
    }

    .menu-link:hover {
        border-bottom-color: gray;
    }

    .mobile-link {
        display: block;
        padding: 6px 0;
        border-bottom: 2px solid transparent;
        transition: border-color 0.3s ease;
    }

    .mobile-link:hover {
        border-bottom-color: gray;
    }

    footer {
      margin-top: auto;
    }
    .card {
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid #d3d3d3;
    }
    .card-image-container {
      height: 300px;
      display: flex;
      justify-content: center;
      align-items: center;
      overflow: hidden;
    }
    .card img {
      max-width: 300px;
      width: 100%;
      height: auto;
    }
    .card-content {
      flex-grow: 1;
      margin-top: 1em;
    }

    .video-container {
      position: relative;
      width: 100%;
      max-width: 800px;
      margin: 0 auto;
    }
    .video-container iframe {
      width: 100%;
      height: calc(100vw * 0.5625);
      max-height: 450px;
    }