wagtail/client/scss/core.scss

/* =============================================================================
/*  Wagtail CMS main stylesheet
/* =============================================================================

REFERENCE

  * We organize our styles based on a combination of ITCSS and
    the Sass 7-1 pattern.
  * Classes should be written using BEM, which we modify to include a prefix.
  * Every BEM block should have its own file.

┌────────────┬────────────────────────┬──────────────┬────────┐
│ Folder     │ Contents               │ ITCSS level  │ Prefix │
├────────────┼────────────────────────┼──────────────┼────────┤
│ settings   │ variables, maps, fonts │ 1 Settings   │        │
│ tools      │ mixins, functions      │ 2 Tools      │        │
│ generic    │ resets                 │ 3 Generic    │        │
│ elements   │ elements, no classes   │ 4 Elements   │        │
│ objects    │ classes                │ 5 Objects    │ o-     │
│            │   layout               │              │        │
│ components │ classes                │ 6 Components │ c-     │
│            │   BEM blocks           │              │        │
│ overrides  │ classes                │ 7 Trumps     │ u-     │
│            │   overrides, utilities │              │        │
└────────────┴────────────────────────┴──────────────┴────────┘

SCSS: https://sass-lang.com/guide
ITCSS: https://www.creativebloq.com/web-design/manage-large-css-projects-itcss-101517528
Sass 7-1 pattern: https://gist.github.com/rveitch/84cea9650092119527bc
BEM: http://getbem.com/


OTHER PREFIXES

┌────────┬─────────┐
│ Prefix │ Purpose │
├────────┼─────────┤
│ t-     │ theme   │
│ is-    │ state   │
└────────┴─────────┘

==============================================================================*/

/* TAILWIND BASE
These inject Tailwind's base, component and utility styles and any styles registered by plugins of each layer.
Unused styles created within tailwinds layers won't be compiled into the compiled stylesheet
https://tailwindcss.com/docs/adding-custom-styles#using-css-and-layer
*/

@tailwind base;
@tailwind components;

/* SETTINGS
These are variables, maps, and fonts.
* No CSS should be produced by these files
*/

@import 'settings';

/* TOOLS
These are functions and mixins.
* No CSS should be produced by these files.
*/

@import 'tools';

/* GENERIC
This is for resets and other rules that affect large collections of bare elements.
* Changes to them should be very rare.
*/

// @import 'generic/generic';

/* ELEMENTS
These are base styles for bare HTML elements.
* Changes to them should be very rare.
*/

@import 'elements/elements';
@import 'elements/typography';
@import 'elements/forms';
@import 'elements/root';

/* OBJECTS
These are classes related to layout, known as 'objects' in ITCSS or OOCSS.
* This is for grids, wrappers, and other non-consmetic layout utilities.
* These classes are prefixed with `.o-`.
*/

@import 'objects/objects';
@import 'objects/avatar';

/* COMPONENTS
These are classes for components.
* These classes (unless legacy) are prefixed with `.c-`.
* React component styles live in the same folders as their React components,
  which is the preferred pattern over housing them in the scss folder.
*/

@import '../src/components/Transition/Transition';
@import '../src/components/LoadingSpinner/LoadingSpinner';
@import '../src/components/PublicationStatus/PublicationStatus';
@import '../src/components/Explorer/Explorer';
@import '../src/components/CommentApp/main';

// Legacy
@import 'components/icons';
@import 'components/tabs';
@import 'components/dropdown';
@import 'components/dropdown.legacy';
@import 'components/help-block';
@import 'components/modals';
@import 'components/forms';
@import 'components/button';
@import 'components/chooser';
@import 'components/tag';
@import 'components/listing';
@import 'components/messages';
@import 'components/messages.capability';
@import 'components/messages.status';
@import 'components/header';
@import 'components/progressbar';
@import 'components/main-nav';
@import 'components/tooltips';
@import 'components/logo';
@import 'components/grid.legacy';
@import 'components/breadcrumb';
@import 'components/footer';
@import 'components/loading-mask';
@import 'components/media-placeholder';
@import 'components/human-readable-date';
@import 'components/link.legacy';
@import 'components/privacy-indicator';
@import 'components/status-tag';
@import 'components/button-select';
@import 'components/skiplink';
@import 'components/workflow-tasks';
@import 'components/switch';
@import 'components/comments-controls';
@import 'components/comments-notification-dropdown';
@import 'components/bulk_actions';

/* OVERRIDES
These are classes that provide overrides.
* Higher specificity is allowed here because these are overrides and imported last.
*/

// VENDOR: overrides of vendor styles.
@import 'overrides/vendor.datetimepicker';
@import 'overrides/vendor.tagit';

// UTILITIES: classes that do one simple thing.
@import 'overrides/utilities.hidden';
@import 'overrides/utilities.dropdowns';
@import 'overrides/utilities.focus';
@import 'overrides/utilities.visuallyhidden';

// Legacy utilities
@import 'overrides/utilities.legacy';

// TAILWIND: This is at the bottom so it can take precedence over other css classes
@tailwind utilities;