body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
}

.container {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input {
  margin: 10px;
  padding: 10px;
  width: 200px;
}

button {
  padding: 10px 20px;
  cursor: pointer;
}