body {
    background: linear-gradient(to right, #5b5b5b, #8c8c8c, #5b5b5b);
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
  }
  
  .container {
    background-color: #ffffff;
    padding: 1rem 3rem;
    border-radius: 20px;
    box-shadow: -2px 1px 6px 16px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 90%;
    max-width: 400px;
  }
  
  h1, h2 {
    margin-bottom: 20px;
    color: #b22222;
  }

  h2 {
    font-size: 1.2rem;
  }
  
  input {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    margin-bottom: 15px;
    border: 2px solid #b22222;
    border-radius: 8px;
    outline: none;
  }
  
  button {
    padding: 10px 20px;
    font-size: 1rem;
    background-color: #b22222;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  button:hover {
    background-color: #6a1414;
  }
  
 
  #result {
    margin-top: 20px;
    font-size: 1.2rem;
    color: #b22222;
  }