* {
    box-sizing: border-box;
  }
  
  body {
    font-family: sans-serif;
    margin: 0;
    padding: 1em;
    background: #f7f7f7;
    color: #333;
  }
  
  h1 {
    text-align: center;
    margin-bottom: 1em;
  }
  
  form {
    background: #fff;
    padding: 2em;
    border-radius: 8px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
  }
  
  fieldset {
    border: 1px solid #ccc;
    padding: 1em;
    margin-bottom: 1.5em;
    border-radius: 5px;
  }
  
  legend {
    font-weight: bold;
    padding: 0 0.5em;
  }
  
  label {
    display: block;
    margin-bottom: 1em;
    font-size: 0.95em;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="number"],
  input[type="date"],
  select,
  textarea {
    width: 100%;
    padding: 0.6em;
    margin-top: 0.3em;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  input[type="checkbox"] {
    margin-right: 0.5em;
  }
  
  button {
    width: 100%;
    padding: 0.8em;
    font-size: 1em;
    background: #333;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  button:hover {
    background: #555;
  }
  
  @media (max-width: 600px) {
    form {
      padding: 1em;
    }
    button {
      font-size: 1.1em;
    }
  }