body {
  margin: 3rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
}

#parent,
#child,
#nested-child {
  padding: 0.5rem;
  margin: 0.5rem;
  border: 1px solid black;
}

#parent {
  background-color: #b7b3bd;
}

#child {
  background-color: #6c6871;
  color: white;
}

#nested-child {
  background-color: #403d43;
  color: white;
}