I searched around but didn't find exactly what my problem is. Perhaps it's something within Settings|Code Style|HTML?
Anyway, I recorded a video that shows, that after having a h2-tag (closed), phpStorm indents the next line. I don't want that. How can I change that?
This is a bug in version 5.x and eariler and it was fixed in version 6.0 which is still under development. But you may check a EAP build: http://confluence.jetbrains.net/display/WI/Web+IDE+EAP