Use when reviewing templates, rendered HTML, or shared components related to Create a custom 404 error page. Validate the final browser-facing markup, not just the source framework abstraction.
$npx -y skills add thedaviddias/front-end-checklist --skill 404-pageInstalls into the current project.
Run `npx skills use "https://github.com/thedaviddias/front-end-checklist" --skill "thedaviddias/front-end-checklist/404-page"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/thedaviddias/front-end-checklist" that are relevant to the current task. Run `npx skills add "https://github.com/thedaviddias/front-end-checklist"` and select the relevant skills, then follow their instructions.