Issue 1327: Fix next button ui 2
Description
This MR fixes only the large "Next" button.
This is a UI change. It makes the "Next" button closer to mock-ups.
Screenshots
Technical details
Tests
Issues
e/backlog#1327 (closed)
Specifically: e/backlog#1327 (comment 368539)
10 commandments of code reviews
Edited by Sayantan Roychowdhury