Unrecognized at-ruleUnrecognized At-Rule
The CSS parser does not recognize the @-rule.
backdrop-filter not renderingThe backdrop-filter property has no visible effect on the element.
The element needs a semi-transparent background for backdrop-filter to be visible. If the background is fully opaque, the filter has nothing to show through. Some browsers also require -webkit-backdrop-filter.
Set a semi-transparent background: background: rgba(0,0,0,0.5). Add -webkit-backdrop-filter as a fallback. Ensure the element has a defined area (width/height). Check browser support.
Unrecognized at-ruleThe CSS parser does not recognize the @-rule.
Invalid clamp() syntaxThe clamp() function has incorrect syntax or parameters.
Scroll snap not workingCSS scroll snapping is not behaving as expected.
position: sticky not workingThe element with position: sticky does not stick as expected.
Unexpected tokenThe CSS parser encountered an unexpected character or token.
Invalid @keyframesThe @keyframes animation definition has a syntax error.