body {
      margin: 0;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #66a3ff;
      font-family: monospace;
    }
    .login-box {
      background: #fff;
      border: 3px solid #003366;
      box-shadow: 6px 6px 0 #003366;
      padding: 20px;
      width: 300px;
      text-align: center;
    }
    .login-box h1 {
      margin-bottom: 20px;
      font-size: 18px;
    }
    .login-box input {
      width: 90%;
      margin: 8px 0;
      padding: 6px;
      border: 2px solid #003366;
    }
    .login-box button {
      margin-top: 12px;
      padding: 6px 12px;
      border: 2px solid #003366;
      background: #cce0ff;
      cursor: pointer;
    }