body {
  background: #dff3ff;
  font-family: Arial;
}

.container {
  background: white;
  padding: 20px;
  max-width: 400px;
  margin: 50px auto;
  border-radius: 10px;
}

input, button {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
}