Why does HTML5 remove the big label but add the small label? -

The functions of the two labels are not similar except for the one label becoming larger and smaller. The functions of the two labels are not similar except for the one label becoming larger and smaller. Reply content: when talking about HTML tags, Never talk about "what is the display effect of this mark 」This is what CSS is responsible for, and some visual labels are removed from the HTML5 standard (as you mentioned . What you should consider is "what is the semantics of this tag 」. So What is the tag semantics? According to W3C:

Although previous versions of HTML defined the small element only in presentational terms, the element has now been given the specific semantic purpose of representing those parts of specified ents that are often referred to as "the fine print" or "the small print ".

That is to say, this mark is used to indicate "the fine print" or "the small print ". The so-called fine print is similar to the "major promotions, off!" on newspaper advertisements! (All interpretation rights belong to XX) "in the brackets, similar to the fine print and
Disclaimer/license statement/precautions/detailed explanation of slogans, etc. That is to say, when there is such fine print in your page, you should useMark