There is a minor alignment issue in the "Improve Edit" popup window. The text "hide preview" doesn't have proper margin.
Screenshot for reference:
The alignment issue is not occurred, if I review a post from suggested edit review queue and clicked the "Improve Edit" button, there the content is loaded on the page instead of the popup window.
If a edit is proposed on the post, and clicked on the "edit (1)" link, in the popup window if I clicked on the "Improve Edit" button, there we can see the "hide preview" alignment issue.
Steps to reproduce: