1
vote
1answer
64 views

How to allow user to enter text or upload file, but not both

We used to have a two-step process for answering questions. On the first page the user indicated how he would answer: either by typing a response or uploading a file. On the next page either a ...
1
vote
2answers
247 views

black background & white letters or white background & black letters?

What is better for user? The site has a lot of text to read and I would like to make it as user friendly as possible.