[BUG] The selected menu text color is the same as background in dark mode

[Triple-Z]

Describe the bug

• Device/Os: [e.g. Android 10]
• Type: [e.g. Desktop/Mobile]
• Browser and version [e.g. Chrome 86.0]:
• Hugo Version [ >=0.83.0 expected]:
• Theme Version [e.g. v4.0, master, or commit-id ]:

Steps to reproduce the behavior:

Expected behavior:

Screenshots

Like the screenshot above, the "归档" menu tag has disappeared when selected.

Additional context

[BeaCox]

hello, u can add a line--signature: var(--tertitary); to PaperModX/assets/css/core/theme-vars.css:

.dark {
......omitted here
    --signature: var(--tertitary);
}

Sure u can change var(--tertitary) to any color u like.
If u don't wanna change the file in the theme directory, u can createsite root/assets/css/core/ and copy the file just mentioned to that directory and make the changes.

[BeaCox]

This issue has been raised by others, refer:
#26
#29

[Triple-Z]

Thanks a lot, looking forward to #29 to merge.