body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to right, #e0f7fa, #ffffff);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
  }
  
  .container {
    max-width: 900px;
    margin: auto;
    padding: 2rem;
  }
  
  .welcome {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  h1, h2, h3 {
    color: #00796b;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .main-heading h2 {
    font-size: 1.5rem;
    color: #004d40;
  }
  
  .data {
    background-color: #f0f0f0;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
  }
  
  .data p {
    margin-bottom: 1rem;
  }
  
  .user-data {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  }
  
  form fieldset {
    border: 1px solid #ccc;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
  }
  
  form legend {
    font-weight: bold;
    color: #00695c;
  }
  
  form input[type="number"],
  form input[type="text"] {
    width: 100%;
    padding: 0.6rem;
    margin-top: 0.5rem;
    border: 1px solid #bbb;
    border-radius: 5px;
    font-size: 1rem;
  }
  
  form input[type="radio"] {
    margin-right: 0.5rem;
  }
  
  button#my-btn {
    background-color: #00796b;
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
  }
  
  button#my-btn:hover {
    background-color: #004d40;
  }
  
 
  @media (max-width: 600px) {
    .container {
      padding: 1rem;
    }
  
    .data, .user-data {
      padding: 1rem;
    }
  }