body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0; /* light grey */
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  text-align: center;
  width: 90%;
  max-width: 400px;
}

h2, h3 {
  margin: 10px 0;
}

input {
  width: 80%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
}

button {
  background-color: #007bff; /* blue */
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s ease-in-out;
}

button:hover {
  background-color: #0056b3;
}