Hey everyone! Really quick tip that Dachis discovered this week. If you want to add a subhead to your post in Kinja, you don't have to add the HTML manually: just press Ctrl+1, Ctrl+2, or Ctrl+3.
Ctrl+1 (or Command+1 if you're on a Mac) makes the text H1 sized, Ctrl+2 does H2, and so on. So you can make:
...and everything in between. Over at Lifehacker we usually use H3s and H4s exclusively.