scoping modernDebug.css

[joshknutson]

scoping modernDebug.css to only limit the styles to the data within the debug area and not outside the debug.

Noticed that when I had debug on, and my styles became skewed

[CLAassistant]

All committers have signed the CLA.

[michaeloffner]

@cfmitrah can you please solve merge conflicts here and test it

[michaeloffner]

@cfmitrah please check if that still makes sense, if so please solve merge conflicts

[michaeloffner]

@cfmitrah if this still applies, please resolve the merge conflicts.