Specify a list of disallowed attribute names.
[class~="foo"] {}
/** ↑
* This name */
array|string|regex
: ["array", "of", /names/, "regex"]|"name"|"/regex/"|/regex/
Given:
["class", "id", "/^data-/"]
The following patterns are considered problems:
[class*="foo"] {}
[id~="bar"] {}
[data-foo*="bar"] {}
The following patterns are not considered problems:
[lang~="en-us"] {}
[target="_blank"] {}
[href$=".bar"] {}