Bulletin missed align on how to section

[Ajay]

In both desktop & mobile the bulletin is missed aligned. Please help to fix.<div>

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This is the post link.

https://en.fishkeeping.info/step-by-step-guide-to-breeding-the-king-of-the-aquarium-discus/

And One more error while scanning google structured data.

https://search.google.com/structured-data/testing-tool/u/0/#url=https%3A%2F%2Fen.fishkeeping.info%2Fstep-by-step-guide-to-breeding-the-king-of-the-aquarium-discus%2F