Integrate suggestion from review to improve consistency with existing code.
4 html, body { margin: 0; padding: 0 }
5 div { display: inline-block; margin: 10px; width: 20px; height: 20px }
8 ><div style="background: fuchsia"></div
9 ><div style="background: aqua"></div
10 ><div style="background: yellow"></div>