body {
  background: #f4f4f4;
  font-family: Arial;
}
.card {
  background: white;
  width: 400px;
  margin: 80px auto;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}
input, button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
}
button {
  background: black;
  color: white;
  border: none;
}