https://developer.salesforce.com/docs/platform/lwc/guide/create-components-css-slds.html
Style with Lightning Design System | Create Lightning Web Components | Lightning Web Components...
Salesforce Lightning Design System (SLDS) is a CSS framework that provides the look and feel of Lightning Experience. SLDS includes styles, themes, br
lightning design systemcreate webstylecomponents
https://developer.salesforce.com/blogs/2020/08/lightning-design-system-code-issues-revealed-by-the-slds-validator
Lightning Design System Code Issues Revealed by the SLDS Validator | Salesforce Developers Blog
Aug 6, 2020 - Since 2015, the Salesforce Lightning Design System (SLDS) has been helping developers on the Salesforce platform maximize clarity, efficiency, consistency, and...
lightning design system