Wade through ads
Skim a treatise on the history of centering content
Skim over the “this question is off topic / duplicate” noise if Stack Overflow
Find some code on the page
Try to map how that code will work in the context of your other layout
Realize it’s plain CSS and you’re looking for Tailwind
Keep searching
Try some stuff until it works
Or…
Ask LLM. Wait 20-30 seconds. Move on to the next thing.