body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
      padding: 20px;
      /*background-image: url('https://unsplash.it/1080/2460?random');*/
      background-color: #fff1;
      background-size: cover;
      background-repeat: no-repeat;
    }

    h2 {
      color: #333;
      font-size: 28px;
      margin-bottom: 20px;
      text-align: center;
    }

    form {
      background-color: #fff;
      padding: 20px;
      border-radius: 15px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
      margin: 0 auto;
      width: 80%;
    }

    label {
      display: block;
      margin-top: 15px;
      font-size: 18px;
      font-weight: 500;
    }

    input[type="text"],
    textarea {
      width: 100%;
      padding: 15px;
      border: 1px solid #ccc;
      border-radius: 8px;
      box-sizing: border-box;
      font-size: 16px;
      margin: 0 auto;
      display: block;
    }

    input[type="text"]:invalid {
      border-color: red;
    }

    input[type="submit"] {
      padding: 15px 30px;
      background-color: #007AFF;
      color: #fff;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 18px;
      transition: background-color 0.3s ease;
      margin: 0 auto;
      display: block;
    }

    input[type="submit"]:hover {
      background-color: #0056b3;
    }