It doesn't solve vertical centering, but I am secretly still a fan of the center-tag. Just does what it's name implies in most situations. I still don't get why its avoided like the plague.
I wouldn’t recommend using it for big or professional projects, but I guess it’s fine for personal stuff. Like the other comment said it’s an obsolete tag. Browsers tend try hard not to break old HTML but not sure that’s guaranteed to always be the case.
<center>
Text
</center>
<div>
Text
</div>
> The b element represents a span of text to which attention is being drawn for utilitarian purposes without conveying any extra importance and with no implication of an alternate voice or mood, such as key words in a document abstract, product names in a review, actionable words in interactive text-driven software, or an article lede.
and
> The i element represents a span of text in an alternate voice or mood, or otherwise offset from the normal prose in a manner indicating a different quality of text, such as a taxonomic designation, a technical term, an idiomatic phrase from another language, transliteration, a thought, or a ship name in Western texts.