Tim Ledbetter

LibWeb: Treat CSS at-rule names as case-insensitive

2

Fixes 2 WPT tests that I could find. I'm not sure if it would be better to convert name to lower case at some earlier point during parsing.

These don't currently honor the `writing-mode`, `direction` and `text-orientation` properties and behave as if text orientation were horizontal and writing mode were LTR. Fixes 94 WPT subtests in the `css/css-logical`...

This PR ensures that invalid values for the `grid-row` and `grid-column` properties and their respective longhands are rejected. This gives us +64 WPT subtest passes.

This fixes 16 WPT subtests in the `css/filter-effects` directory.

This fixes 6 WPT subtests in `css/css-transitions`.

LibWeb: Reject invalid CSS `background` property values

1

Fixes 12 WPT subtests in the `css/css-backgrounds` directory.

We now parse `` values as a ``. This disallows `default` and CSS-wide keywords as counter names. The specification additionally disallows `none` as a counter name.

This returns the link element's associated style sheet.

This improves the output of `getComputedStyle()` for the `top`, `bottom`, `left` and `right` properties, where the used value is now returned rather than the computed value, where applicable. This fixes...

This PR ensures that the shortest possible serialization is always used for the `border-radius` property. It also fixes an issue where the individual components of the `border-radius` shorthand were always...