.registration-card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    padding: 20px;
  }

  .registration-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 300px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .registration-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }

  .registration-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
  }

  .registration-card-content {
    padding: 15px;
  }

  .registration-card-title {
    font-size: 1.5em;
    margin: 0 0 10px;
    color: #333;
    font-weight: bold;
    text-align: center;
  }

  .registration-card-dates {
    font-size: 0.9em;
    color: #666;
    margin: 0 0 10px;
    text-align: center;
  }

  .registration-card-countdown {
    font-size: 1em;
    color: #d32f2f;
    font-weight: bold;
    margin: 0 0 15px;
    text-align: center;
  }

  .registration-card-description {
    font-size: 0.85em;
    color: #555;
    margin: 0 0 15px;
    text-align: center;
  }

  .registration-card-button {
    display: block;
    background-color: #1976d2;
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.2s ease;
  }

  .registration-card-button:hover {
    background-color: #1565c0;
  }