scrub_css drops !important rule from shorthand css properties

[b7kich]

Applies to shorthand CSS properties like border, padding, margin, background and their expansions like margin-top, background-color etc.

[1] pry(main)> puts Loofah::fragment('<h1 style="background: black !important; color: white !important; ">got milk?</h1>').scrub!(:prune)
<h1 style="background:black;color: white !important;">got milk?</h1>

[flavorjones]

Thanks for reporting this. I'll take a look at the PR at #192 today.

[flavorjones]

Will ship in v2.7.0 later today.

[flavorjones]

https://github.com/flavorjones/loofah/releases/tag/v2.7.0

[b7kich]

Thanks for cleaning the code up!

[flavorjones]

No, thank you for figuring out the bug and submitting a PR! This was a tricky one. 👍