Using native html vs css elements

Question

I am working on some outdated PHP code that contains a ton of inline style, one of our goals is to use CSS, so the code will be cleaner. The only thing I thought of was using my own VS HTML elements using CSS, such as bold and italics.

For instance,

<b>this is foo</b>

Or in css

.bold { font-weight: bold;}
<span class="bold">this is foo</span>

So far, these two are doing the same thing you guys prefer and why?

Answer 1

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Answer 2

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Answer 3

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Answer 4

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Answer 5

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Answer 6

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Answer 7

, html . <b> <strong> . , css :

strong { font-size: whatever; }

---

<strong>this is foo</strong>

Answer 8

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