webpack/webpack-cli

html,
body {
  padding: 0;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
}

.heading {
    font-weight: 300;
}

.container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}