identical styling declared twice

[Michelle-Ward]

https://github.com/ecomm-Labs/catwalk/blob/84bcf1d41f564d28d09670d5f97a5eb3b712c8f7/client/src/components/Questions/Modal/AskQuestion.jsx#L45

This styling is the same as another in a different file. We can create this styling once and export to where it's needed