body
{
   background-color: #FFFFFF;
   color: #000000;
   font-family: Arial;
   font-weight: normal;
   font-size: 13px;
   line-height: 1.1875;
   margin: 0;
   padding: 0;
}
    body {
      font-family: Arial, sans-serif;
      background-color: #f4f4f9;
      margin: 0;
      padding: 0;
    }
    .container {
      max-width: 800px;
      margin: 20px auto;
      background: #fff;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }
    h1, h2 {
      text-align: center;
      color: #333;
    }
    .input-group {
      margin-bottom: 15px;
    }
    label {
      display: block;
      margin-bottom: 5px;
      font-weight: bold;
    }
    input {
      width: 100%;
      padding: 8px;
      border: 1px solid #ccc;
      border-radius: 5px;
    }
    button {
      padding: 10px 20px;
      background-color: #4caf50;
      color: white;
      border: none;
      border-radius: 5px;
      font-size: 16px;
      cursor: pointer;
    }
    button:hover {
      background-color: #45a049;
    }
    .output {
      margin-top: 20px;
      font-size: 16px;
      color: #555;
    }
    .info {
      margin-top: 30px;
      background: #e3f2fd;
      padding: 15px;
      border-radius: 5px;
    }
    .info h2 {
      margin-top: 0;
    }