* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Roboto', sans-serif;
    }

    body {
      background-color: #f2f2f2; /* Light grey */
      color: #333;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    header {
      background-color: #1e90ff; /* Blue */
      color: #fff;
      text-align: center;
      padding: 1.5rem;
    }

    header h1 {
      font-size: 1.8rem;
      margin-bottom: 0.5rem;
    }

    nav a {
      color: #fff;
      text-decoration: none;
      margin: 0 1rem;
      font-weight: bold;
    }

    nav a:hover {
      text-decoration: underline;
    }

    main {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 2rem;
    }

    .donation-card {
      background-color: #fff;
      border-radius: 15px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      max-width: 800px;
      width: 100%;
      padding: 2rem 3rem;
      text-align: center;
    }

    .donation-card h2 {
      color: #1e90ff;
      font-size: 2rem;
      margin-bottom: 1rem;
    }

    .donation-card p {
      color: #444;
      font-size: 1.1rem;
      margin-bottom: 2rem;
      line-height: 1.6;
    }

    .mission {
      background-color: #eaf4ff;
      border-left: 5px solid #1e90ff;
      padding: 1rem;
      margin-bottom: 2rem;
      border-radius: 8px;
    }

    .donation-options {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .donation-btn {
      background-color: #1e90ff;
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 1rem 2rem;
      font-size: 1rem;
      cursor: pointer;
      transition: background-color 0.3s ease;
      flex: 1 1 150px;
      max-width: 200px;
    }

    .donation-btn:hover {
      background-color: #0077e6;
    }

    .donation-btn:active {
      background-color: hsl(209, 100%, 35%);
    }

    a {
      color: #1e90ff;
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    footer {
      background-color: #1e90ff;
      color: #fff;
      text-align: center;
      padding: 1rem;
      font-size: 0.9rem;
    }

    @media (max-width: 768px) {
      .donation-card {
        padding: 1.5rem;
      }

      .donation-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
      }

      header h1 {
        font-size: 1.5rem;
      }
    }