CSS nesting unsupportedCSS Nesting Not Supported
The browser does not support native CSS nesting syntax.
!important overuseExcessive use of !important makes styles difficult to override and maintain.
Too many declarations use !important, creating a specificity arms race. This makes it hard to override styles and defeats the purpose of the cascade. It is usually a sign of specificity issues.
Refactor selectors to use proper specificity instead of !important. Use CSS layers or :where() to manage specificity. Reserve !important for utility classes only. Use DevTools to debug specificity conflicts.
CSS nesting unsupportedThe browser does not support native CSS nesting syntax.
Undefined CSS variableA CSS custom property (variable) is referenced but not defined.
Invalid property valueThe value assigned to a CSS property is not valid for that property.
gap not working in flexboxThe gap property does not create spacing in a flex container.
Invalid selectorThe CSS selector syntax is not valid.
Deprecated -webkit- prefixA -webkit- prefixed property is deprecated and should be replaced with the standard version.