Umm, I feel dumb for asking this, but how to I add HTML into my questions and answers with this editor? Sometimes [it works][1] for me and sometimes it doesn't... 

I know about the faq, that the site uses markdown and there are allowed tags as well.



> * [How Does Stackoverflow Work? (The Official FAQ)](
> * [What HTML tags are allowed on Stack Overflow, Server Fault, and Super User?](