b { color: #333; content: \">\"; }\n@media (min-width: 600px) { .x { margin: 0 } }\n" . ".y { background: url(data:image/png;base64,AAAA) } .z { background: url(/wp-content/a.png) }\n" . ".s { background: url(\"data:image/svg+xml,\") }\n" . '.f { background: url(https://kunde.test/a.png) }'; self::assertSame(['errors' => [], 'warnings' => []], self::guard()->check($css)); } /** @return array> */ public static function refused(): array { return [ 'end of the style element' => [''], 'end tag in capitals with a space' => ['a{} '], 'script tag' => ['a{}