Content-Security-Policy: style-src-elem directive

Baseline 2022

Newly available

Since December 2022, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

The HTTP Content-Security-Policy (CSP) style-src-elem directive specifies valid sources for stylesheet

…as well as styles loaded using the Link header:

http

Link: ;rel=stylesheet

Specifications

Specification
Content Security Policy Level 3 # directive-style-src-elem

Browser compatibility

See also

…as well as styles loaded using the Link header:\n
httpLink: ;rel=stylesheet\n"}},{"type":"specifications","value":{"id":"specifications","title":"Specifications","isH3":false,"specifications":[{"bcdSpecificationURL":"https://w3c.github.io/webappsec-csp/#directive-style-src-elem","title":"Content Security Policy Level 3"}],"query":"http.headers.Content-Security-Policy.style-src-elem"}},{"type":"browser_compatibility","value":{"id":"browser_compatibility","title":"Browser compatibility","isH3":false,"query":"http.headers.Content-Security-Policy.style-src-elem"}},{"type":"prose","value":{"id":"see_also","title":"See also","isH3":false,"content":"\nContent-Security-Policy\n
style-src\n
style-src-attr\n
Link header\n