Assessment wanted for Marking up a letter 11.09.23

Hi :wave:
Just completed an assessment on marking up a letter and I kindly need a quick assessment on it.

Iā€™m having a bit of trouble with the abbr element and I need some on assistance on it.

Link to code: https://codepen.io/Mutua-Mwobobia/pen/XWoRdQw

Thanks :slightly_smiling_face: