Greasy Fork镜像

• lower z-index, so the pinned statistics won't hide the "More" menu in the navigation bar

• do not append headline if there was no data

• fixed code for citrus GF

• changes for readability

• code refactoring
• fixed an error

- do not show pin button when stats not created.

- pinable stats
- upgraded styling

- support for CitrusGFork

- stat didn't show up when total amount is 0
- make numbers more readable

- did some refactoring :)