The current screenshots on the project page date back to the D7 or very early D8 era. It would be nice if we could get some new screenshots in the same aspect ratio using a more modern theme like Gin/Oliviero/...
As is:
Visit project page.
Install poll on a site with a modern look and feel, create a dummy poll with realistic options. Snap some screenshots and upload them to this issue.
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The one with the results is a bit too wide, can't really read it when only 230ish pixels wide. For the rest it looks good to me :)
Here are the updated screenshots of size 230px and placed in a block.