Regarding overriding the styles of a site, this is another possibility: https://developers.google.com/web/updates/2018/01/devtools-without-devtools https://deve

Regarding overriding the styles of a site, this is another possibility: https://developers.google.com/web/updates/2018/01/devtools-without-devtools https://developers.google.com/web/updates/2018/01/devtools-w... Disclosure: Wrote that doc