  body {
      font-family: Arial, sans-serif;
      background-color: #2f8abe;
      margin: 0;
      padding: 0;
  }
  
  header {
      background-color: #333;
      color: white;
      padding: 10px 0;
      text-align: right;
  }
  
  nav ul {
      list-style-type: none;
      padding: 0;
      margin: 0;
  }
  
  nav ul li {
      display: inline;
      margin: 0 15px;
  }
  
  nav ul li a {
      color: white;
      text-decoration: none;
      font-weight: bold;
  }
  
  nav ul li a:hover {
      text-decoration: underline;
  }
  
  .container {
      max-width: 400px;
      margin: 40px auto;
      padding: 20px;
      background-color: rgb(255, 255, 255);
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
      border-radius: 8px;
  }
  
  form {
      display: flex;
      flex-direction: column;
  }
  
  form h1 {
      text-align: center;
      margin-bottom: 20px;
  }
  
  form div {
      margin-bottom: 15px;
  }
  
  label {
      font-weight: bold;
      margin-bottom: 5px;
      display: block;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="password"] {
      width: calc(100% - 20px);
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 4px;
  }
  
  button[type="submit"],
  .btn {
      background-color: #4CAF50;
      color: white;
      padding: 10px;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      text-align: center;
  }
  
  button[type="submit"]:hover,
  .btn:hover {
      background-color: #45a049;
  }
  
  .login-link {
      text-align: center;
      margin-top: 20px;
  }
  
  .login-link a {
      color: #333;
      text-decoration: none;
  }
  
  .login-link a:hover {
      text-decoration: underline;
  }
  
  footer {
      background-color: #333;
      color: white;
      text-align: center;
      padding: 10px 0;
      position: fixed;
      width: 100%;
      bottom: 0;
  }