Disabled prettify box-shadow property in no-js SCSS. Prevents partial light background colour from appearing in place of non-existent line numbers.
Merge pull request #2443 from EricDunsworth/v3.0-prettify-ns-box-shadow

Disabled prettify box-shadow property in no-js SCSS. Prevents partial li...
Grid icons: added padding-right to rel='external' links in lightbox