Dmitry VerkhoturovandGitHub c26f45e55e Clean up deprecated CSS and fix silent CSS bugs in frontend (#2012)
* frontend: remove deprecated iframe attrs and non-standard CSS

Three separate cleanups:

1. remove deprecated HTML attributes from iframe creation (create-iframe.ts)
   - frameborder="0": deprecated since HTML5; border is already set to none via CSS
   - allowtransparency="true": non-standard Microsoft attribute never in any spec;
     transparency is handled by body { background: transparent } in CSS instead
   - scrolling="no": deprecated since HTML5; overflow is already hidden via CSS
   - horizontalscrolling/verticalscrolling: non-standard IE-era attributes with
     no effect in modern browsers; remove without replacement

2. replace allowtransparency with explicit CSS (global.css)
   - add background: transparent to body; this is the spec-correct way to make
     an iframe document transparent, as documented by MDN

3. drop -moz-touch-enabled media query prefix (5 comment CSS files)
   - -moz-touch-enabled was a Firefox-only non-standard media feature removed
     in Firefox 58 (2018); pointer: coarse is the standard equivalent and was
     already present as the second condition in every query, so removing the
     dead -moz prefix reduces the media query to just (pointer: coarse)

note: colorScheme: 'none' in create-iframe.ts is intentionally left unchanged;
it is tracked by #1430 and requires a broader color-scheme implementation

* frontend: fix CSS bugs and replace deprecated properties

Bugs fixed:

- comment-votes.module.css: add missing comma between transition values;
  without it the shorthand was invalid and colour transitions on vote
  buttons were silently ignored

- icon-button.module.css: fix "transfrom" typo (should be "transform");
  the misspelling made the transition declaration a no-op, so the hover
  scale animation jumped instantly instead of easing

- auth.module.css: remove doubly-nested rgb(rgb(var(…))) call; the outer
  rgb() rejected the inner rgb() result, so the .title element's colour
  fell back to inherited instead of the intended --secondary-text-color

Deprecated properties replaced:

- comment-form__markdown-toolbar.css: replace deprecated clip: rect()
  with clip-path: inset(50%); clip was deprecated in CSS Masking Level 1

- raw-content.css: replace word-wrap with overflow-wrap; word-wrap was
  renamed in CSS Text Level 3, all current browsers support overflow-wrap

- global.css: remove redundant literal-colour fallback lines before
  var() declarations in .preloader and .preloader_view_iframe; the var()
  calls already have inline fallback values (e.g. var(--color6, #fff)),
  making the preceding duplicate property and its stylelint-disable
  comment unnecessary since IE11 EOL

* move border:none from inline style to widget__comments-frame class
2026-03-25 16:42:40 -05:00
2023-01-08 14:31:36 -06:00
2021-08-09 11:08:42 -05:00
2021-10-09 13:50:50 -05:00

Remark42 Build Status Image Size Go Report Card Coverage Status codecov

Remark42 is a self-hosted, lightweight and simple (yet functional) comment engine, which doesn't spy on users. It can be embedded into blogs, articles, or any other place where readers add comments.

  • Social login via Google, Facebook, Microsoft, GitHub, Apple, Yandex, Patreon, Discord and Telegram
  • Login via email
  • Optional anonymous access
  • Multi-level nested comments with both tree and plain presentations
  • Import from Disqus and WordPress
  • Markdown support with friendly formatter toolbar
  • Moderator can remove comments and block users
  • Voting, pinning and verification system
  • Sortable comments
  • Images upload with drag-and-drop
  • Extractor for recent comments, cross-post
  • RSS for all comments and each post
  • Telegram, Slack, Webhook and email notifications for Admins (get notified for each new comment)
  • Email and Telegram notifications for users (get notified when someone responds to your comment)
  • Export data to JSON with automatic backups
  • No external databases, everything embedded in a single data file
  • Fully dockerized and can be deployed in a single command
  • Self-contained executable can be deployed directly to Linux, Windows and macOS
  • Clean, lightweight and customizable UI with white and dark themes
  • Multi-site mode from a single instance
  • Integration with automatic SSL (direct and via nginx-le)
  • Privacy focused

Demo site available with all authentication methods, including email auth and anonymous access.

Screenshots

Comments example:

For admin screenshots see Admin UI documentation

All remark42 documentation is available by the link.

Contribution

In order to start and work on the project locally in development mode check our contribution documentation for backend and frontend.

If you are interested in adding a new localization please check these docs.

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