css-validator
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w3c
W3C CSS Validation Service
Especially when the output is not the default one. It must use the same template as normal for those cases.
See https://www.w3.org/TR/2014/CR-css-masking-1-20140826/
Some messages that get reported have a `skippedString` appended that isn’t useful; for example: > Value Error : background top is not a color value ) The `)` at the...
`` should just be `` and the message should be adapted `(close the img tag with > instead of /> if using HTML
Currently it clutters up the root directly something fierce.
This can be done via https://github.com/w3c/css-validator/releases You can+should also include a JAR for the release via the indicated field of GitHub release UI:
It looks like the validator does not recognize custom property values with the "background-color" and "fill" properties. Consider the following example: CSS: `:root { --primary-color: light-dark(#000,#fff); } ... body {...
``` main, aside { container: my-layout / inline-size; } ``` from https://www.w3.org/TR/css-contain-3/#container-queries is not recognized as valid. Returns `Property container doesn't exist. The closest matching property name is contain :...
``` @container my-layout (inline-size > 45em) { .media-object { grid-template: 'img content' auto / auto 1fr; } } ``` from https://www.w3.org/TR/css-contain-3/#container-queries is not recognized as valid
It looks like the validator does not recognize shorthand hexadecimal colors (e.g., #000) in the CSS validator when inside a custom variable. Consider the following example: CSS: `:root { --primary-color:...