Unstyled HTML seems as plain textual content inside an internet browser. This lack of visible distinction between parts like headings, paragraphs, and lists makes the code troublesome to learn and interpret inside the browser window. For instance, a stage one heading will seem with the identical font dimension and elegance as common paragraph textual content, rendering the inherent structural hierarchy of the doc invisible with out inspecting the supply code.
Making use of colours and styling via CSS dramatically enhances code readability throughout improvement and debugging. Clearly differentiated parts permit builders to shortly visually establish structural parts and spot errors in markup or styling. This visible readability has been paramount for the reason that early days of the net, evolving alongside CSS to supply ever extra granular management over presentation and person expertise. This visible suggestions throughout improvement grew to become essential as net pages grew in complexity.
