body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f0f4f8;
    padding: 40px;
    color: #333;
  }
  
  .container {
    max-width: 600px;
    margin: auto;
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
  }
  
  h1 {
    color: #0078d4;
  }
  .button-row {
    display: inline-block;
    margin-right: 10px;
    padding: 0.5em 1.2em;
    font-size: 1em;
  }