9 merge requests!36532My v4 dev,!34086v4: Fix prevented show event disables modals with fade class from being displayed again,!33729V4 dev,!33086V4 dev,!31901Add opacity utilities,!31513Update icons.md,!30331Removed 'shrink-to-fit' from `viewport` meta,!29732V4 dev,!28937Add *-shadow classes
@@ -205,7 +205,7 @@ includes code changes) and under the terms of the
### HTML
[Adhere to the Code Guide.](http://codeguide.co/#html)
[Adhere to the Code Guide.](https://codeguide.co/#html)
- Use tags and elements appropriate for an HTML5 doctype (e.g., self-closing tags).
- Use CDNs and HTTPS for third-party JS when possible. We don't use protocol-relative URLs in this case because they break when viewing the page locally via `file://`.
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@@ -213,7 +213,7 @@ includes code changes) and under the terms of the
### CSS
[Adhere to the Code Guide.](http://codeguide.co/#css)
[Adhere to the Code Guide.](https://codeguide.co/#css)
- When feasible, default color palettes should comply with [WCAG color contrast guidelines](https://www.w3.org/TR/WCAG20/#visual-audio-contrast).
- Except in rare cases, don't remove default `:focus` styles (via e.g. `outline: none;`) without providing alternative styles. See [this A11Y Project post](https://a11yproject.com/posts/never-remove-css-outlines/) for more details.
