body {
    font-family: "Helvetica Neue", sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f7f7;
    color: #333;
  }

  .ground {
    max-width: 900px;
    margin: auto;
    padding: 20px;
  }

  nav {
    background-color: #2c3e50;
    padding: 10px 20px;
    margin-bottom: 20px;
    border-radius: 6px;
  }

  nav ul {
    list-style: none;
    display: flex;
    gap: 15px;
    margin: 0;
    padding: 0;
  }

  nav ul li a {
    color: #ecf0f1;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s ease;
  }

  nav ul li a:hover {
    color: #3498db;
  }

  a.create-link {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 15px;
    background-color: #3498db;
    color: white;
    border-radius: 6px;
    text-decoration: none;
    transition: background-color 0.2s;
  }

  a.create-link:hover {
    background-color: #2980b9;
  }

  section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
  }

  section a {
    display: block;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-decoration: none;
    color: #333;
    font-size: 1rem;
    font-weight: bold;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
  }

  section a:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
  }