body {
      font-family: Arial, sans-serif;
      margin: 0; padding: 0;
      background-color: #f4f4f4;
    }

    header {
      background-color: #4CAF50;
      color: white;
      padding: 1rem;
      text-align: center;
    }

    .container {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
      padding: 1rem;
    }

    section {
      background: white;
      padding: 1rem;
      margin: 1rem;
      border-radius: 8px;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
      flex: 1 1 45%;
      min-width: 300px;
    }

    h2 {
      margin-top: 0;
      color: #333;
    }

    input, select, textarea, button {
      width: 100%;
      padding: 0.5rem;
      margin: 0.5rem 0;
      border: 1px solid #ccc;
      border-radius: 5px;
    }

    .day {
      margin-bottom: 1rem;
    }
  </style>