body {
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  padding: 20px;
  text-align: center;
}

.form-container {
  width: 300px;
  margin: 0 auto;
  background-color: #fff;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.form-container h2 {
  margin-bottom: 20px;
}

.form-container input[type="text"],
.form-container input[type="password"] {
  box-sizing: border-box;
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 3px;
  border: 1px solid #ccc;
}

.form-container button {
  width: 100%;
  padding: 10px;
  background-color: #4CAF50;
  color: #fff;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

.toggle-btn {
  margin-bottom: 20px;
}

.menu-bar {
  background-color: #e0e0e0;
  padding: 10px;
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.menu-bar button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: 5px 10px;
  transition: background-color 0.3s ease;
}

.menu-bar button:hover,
.menu-bar button.active {
  background-color: #ccc;
}