body {
  font-family: Arial;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  padding-top: 50px;
}

.container {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 2px 2px 12px #aaa;
}

input {
  padding: 8px;
  width: 200px;
  margin-right: 10px;
}

button {
  padding: 8px 12px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 4px;
}