Body injects a string before the closing body tag.

Comment returns an html comment.

GoogleAnalytics inline script with tracking key.

Head injects a string before the closing head tag.

Script returns an script.

ScriptInline returns an inline script.

Segment inline script with key.

Style returns an style.

StyleInline returns an inline style.

Var injection.

Rule is an injection rule.

Rules is a set of rules mapped by location.