body {
        background-color: #f8f9fa;
      }
      header {
        background-color: #212529;
        color: white;
        padding: 1rem 0;
        text-align: center;
        margin-bottom: 3%;
      }
      .form-container {
        max-width: 400px;
        margin: 10px auto;
        background: white;
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 0 15px rgba(0,0,0,0.1);
        position: relative;
      }
      footer {
        background-color: #212529;
        color: white;
        text-align: center;
        padding: 1rem;
        position: fixed;
        width: 100%;
        bottom: 0;
      }