Sticky posts aren’t stuck. Here’s my test site’s homepage, with your theme activated: https://cloudup.com/iFHerNxtL9R and here’s my site with twenty thirteen activated: https://cloudup.com/c6LF0yKdzs5. Further, I can’t seem to find my sticky posts even listed chronologically in my post list, but that might be due to infinite scroll being broken.
When you don’t have any tags listed in your post, it still shows a “tags:” label. This is especially awkward because there’s no separation between “tags:” and “edit” for users with post editing permissions: https://cloudup.com/ippKvvH38zm
When you hit the small-screen responsive state and scroll down, there’s a gap between the top of the screen and the site menu: https://cloudup.com/ikypyxuUaqW