Portfolio page giving me an error

Portfolio page giving me an error
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#1

I am 11/12 requirements through this project, and on the last one it’s not accepting my answer. It wants the value “305” not “306”. Any suggestions? Thanks.
Pen: https://codepen.io/b3u/pen/KeQMYN.


#2

I couldn’t get the error, when I click “run test”, it passes.


#3

Wierd! Thanks for the feedback. (I tried it in responsive design mode, and it worked).