Learn UI before frontend?

I am currently working on a full stack project (a time tracker).
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I finished the back end of it and now I am working on the front end. But I am not a good designer and I want to try and learn web design. But should I pause working on the project to learn web design and resume. Or should I make the front end with poor design, learn web design and than re-make it with a good design?
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On one hand I dont want to take a break from the project and possibly loose motivation after I learn UI. But on the other hand I dont think making a front end to just re-do it and never use it is worth it. So Im not sure witch one I should do.
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