body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
  }
  
  h1 {
    color: #333;
    text-align: center;
  }
  
  form {
    width: 500px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
  }
  
  label {
    display: inline-block;
    margin-bottom: 5px;
    color: #333;
  }
  
  input[type="text"],
  input[type="email"],
  textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: none;
    border-radius: 5px;
    box-sizing: border-box;
  }
  
  input[type="submit"] {
    background-color: #008CBA;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
  }
  
  input[type="submit"]:hover {
    background-color: #006D9C;
  }
  
  .error {
    color: red;
    font-weight: bold;
    margin-top: 10px;
  }