An example Analysis of the Space occupied by paragraph elements in html

This article will explain in detail the example analysis of the space occupied by the elements in the middle of html. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

The reason why a series of paragraph elements take up a small amount of space is that all their outer margins are merged together to form a small outer margin.

It may seem strange at first glance, but in practice, it makes sense. Take a model text page made up of several paragraphs as an example. The space below the first paragraph is the upper margin of the paragraph. If there is no outer margin separation, the outer margin between all subsequent paragraphs will be the sum of the adjacent upper and lower margins. This means that the space between paragraphs is twice as large as that at the top of the page. If an outer margin merge occurs, the top and bottom margins between paragraphs are separated and scattered together, so that the four intervals are different.

It is clear that only the vertical outer margin of the block box in the ordinary document flow will give birth to the outer margin separation. The outer margins between inline boxes, floating boxes, or absolute positioning are not merged.

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