Hierarchy, Alignment and Whitespace

A page looks designed when the most important thing is seen first, everything lines up on a few shared edges, and space groups the things that belong together, and CSS sets all three with size, weight, color, text-align, padding and margin.

Updated

Cheat sheet: Hierarchy, Alignment and Whitespace
Category
CSS
Level
Apprentice
Tags
CSS, Font weight, Negative space, Text alignment, Visual hierarchy, web-development