Ah, that's funny. In the Go1.5 page and before they're aligned. The issue is caused by an embedded style

<style>
ul li { margin: 0.5em 0; }
</style>

in the .html page, that is present since the Go1.6 release notes.

Can I tackle on this?

@tomocy Sure. If you do, please double-check that my analysis above is correct. I just skimmed the pages sources very quickly.

@ALTree FYI that rule is overwritten by line 429 of style.css, so that is not the issue.
If I disable both of the morgin-top rules it works on all pages, but more testing is requred to make sure that its more then just a "works for me" kinda fix.

And in general its weird that ALL other pages work as expected.

@ALTree I want to modify /lib/godoc/style.css, but I cannot find it. Where is it located??

https://github.com/golang/website/blob/master/content/static/style.css

EDIT: In general, the title prefix is the package name from the standard library or anything under golang.org. In this case, it is x/website, so golang.org/x/website. That is how you can find which repo holds the code for this issue.

@agnivade Thank you!! (I did not know website repo)

Change https://golang.org/cl/190997 mentions this issue: Fix header item style

Duplicate of #33738