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To share CSS style rules, create a module that contains only a CSS file. Import the module into the CSS file of any Lightning web component you want to style. You can import style rules from multiple CSS modules. The imported style rules are applied to the template just like non-imported style rules.
What are the components of CSS-lwc.dev?
There are two components: cssParent and cssChild. Each component contains text in a tag. The cssParent.css style sheet defines the p style as xx-large. The style applies only to the tag in the parent, not to the tag in the nested child.
How to import list of media queries in CSS?
In the cssSharing.html template, the text in the tag uses the style defined in cssLibrary.css. For more information about @import, see MDN web docs: @import. MDN lists two syntaxes: @import url and @import url list-of-media-queries. LWC doesn’t honor the list-of-media-queries.
How to add scoping class to lightning experience?
The scoping class is applied so that your content matches the Lightning Experience UI. If you set applyBodyTag or applyHtmlTag to false, you must manually add the scoping class slds-vf-scope. Here is a standard Visualforce page without the lightningStylesheets attribute.
How does CSS work in a lightning aura component?
All top-level elements in a component have a special THIS CSS class added to them. This, effectively, adds namespacing to CSS and helps prevent one component’s CSS from overriding another component’s styling. The framework throws an error if a CSS file doesn’t follow this convention.
How to style Visualforce components in lightning experience?
You can style most commonly used Visualforce components with the lightningStylesheets attribute. However, some components differ slightly in style from Lightning Experience. For example, , and some elements use the browser’s default styling instead.