Kilotest: Rules belonging to CSS invalid issue

About the CSS invalid issue

• Why it matters: Document cannot be properly displayed
• Priority: high
• Related WCAG standard: 4.1

Rules

Html Checker API rules

invariant rules

• CSS: z-index: This number should be an integer.: z-index style property has a non-integer value
• CSS: Parse Error. Style sheets should not include HTML syntax.: CSS style sheet includes HTML syntax
• CSS: font-size: One operand must be a number.: CSS font-size property has no numeric operand
• CSS: Parse Error.: Invalid CSS
• CSS: -webkit-mask: too few values for the property linear-gradient.: CSS webkit-mask linear-gradient property has too few values
• CSS: --solidHeaderNavigationColor: Cannot invoke "org.w3c.css.values.CssValue.getType()" because "val" is null.: CSS solidHeaderNavigationColor property is null
• CSS: --gradientHeaderBackgroundColor: Cannot invoke "org.w3c.css.values.CssValue.getType()" because "val" is null.: CSS gradientHeaderBackgroundColor property is null

variable rules

• CSS: .+: Character .+ is neither a decimal digit number.*: Nonnumeric character in a numeric style property
• CSS: column-count: .+ is not valid, only values greater than 0 allowed.*: CSS column-count property has a nonpositive value
• CSS: font-weight: .+ is not valid, only values greater than or equal to 1.0 are allowed.*: CSS font-weight property has a value smaller than 1
• CSS: font-weight: .+ is not valid, only values lower than or equal to 1000.0 are allowed.*: CSS font-weight property has a value greater than 1000
• CSS: .+: Parse Error.*: Invalid CSS
• CSS: .+: .+ is not a valid color 3 or 6 hexadecimals numbers.*: Invalid hexadecimal color in CSS
• CSS: .+: .+ is not a .+ value.*: Invalid value in CSS
• CSS: .+: Property .+ doesn't exist.*: Invalid property in CSS
• CSS: .+: only 0 can be a length. You must put a unit after your number.*: Length in CSS is nonzero but has no unit
• CSS: .*only 0 can be a unit. You must put a unit after your number.*: Number in CSS is nonzero but has no unit
• CSS: .+: Too many values or values are not recognized.*: Invalid CSS value or too many values
• CSS: .+: Invalid type: .+: Invalid type of CSS value
• CSS: .+: The types are incompatible.*: Incompatible types of CSS values
• CSS: .+: Unknown dimension.*: Unknown CSS dimension
• CSS: .+: Character array is missing "e" notation exponential mark.*: Character array has no exponent mark e
• CSS: .+: is an incorrect operator.*: Space is misused as a CSS operator
• CSS: .+: , is an incorrect operator.*: Comma is misused as a CSS operator
• CSS: Unknown pseudo-element or pseudo-class :.+: Unknown pseudo-element or pseudo-class
• CSS: unrecognized media .+: Unrecognized media value
• CSS: .+ is not a :lang.+ value.*: CSS pseudo-class :lang() has an invalid value
• CSS: .+: Missing a semicolon before the .+: semicolon missing in CSS
• CSS: perspective: .+ is not valid, only values greater than 0 allowed.*: CSS perspective property has a nonpositive value
• CSS: .*Lexical error at line .+, column .+ Encountered: .+: CSS property has a value with a lexical error
• CSS: transition: .+ is not valid, only values lower than or equal to 1.0 are allowed.*: CSS transition property has a value greater than 1
• CSS: In CSS1, a class name could start with a digit .+, unless it was a dimension .+ In CSS2, such classes are parsed as unknown dimensions .+ To make .+ a valid class, CSS2 requires the first digit to be escaped: .+: CSS class name starts with an unescaped digit

Html Checker rules

invariant rules

• CSS: z-index: This number should be an integer.: z-index style property has a non-integer value
• CSS: Parse Error. Style sheets should not include HTML syntax.: CSS style sheet includes HTML syntax
• CSS: font-size: One operand must be a number.: CSS font-size property has no numeric operand
• CSS: Parse Error.: Invalid CSS
• CSS: -webkit-mask: too few values for the property linear-gradient.: CSS webkit-mask linear-gradient property has too few values
• CSS: --solidHeaderNavigationColor: Cannot invoke "org.w3c.css.values.CssValue.getType()" because "val" is null.: CSS solidHeaderNavigationColor property is null
• CSS: --gradientHeaderBackgroundColor: Cannot invoke "org.w3c.css.values.CssValue.getType()" because "val" is null.: CSS gradientHeaderBackgroundColor property is null

variable rules

• CSS: .+: Character .+ is neither a decimal digit number.*: Nonnumeric character in a numeric style property
• CSS: column-count: .+ is not valid, only values greater than 0 allowed.*: CSS column-count property has a nonpositive value
• CSS: font-weight: .+ is not valid, only values greater than or equal to 1.0 are allowed.*: CSS font-weight property has a value smaller than 1
• CSS: font-weight: .+ is not valid, only values lower than or equal to 1000.0 are allowed.*: CSS font-weight property has a value greater than 1000
• CSS: .+: Parse Error.*: Invalid CSS
• CSS: .+: .+ is not a valid color 3 or 6 hexadecimals numbers.*: Invalid hexadecimal color in CSS
• CSS: .+: .+ is not a .+ value.*: Invalid value in CSS
• CSS: .+: Property .+ doesn't exist.*: Invalid property in CSS
• CSS: .+: only 0 can be a length. You must put a unit after your number.*: Length in CSS is nonzero but has no unit
• CSS: .*only 0 can be a unit. You must put a unit after your number.*: Number in CSS is nonzero but has no unit
• CSS: .+: Too many values or values are not recognized.*: Invalid CSS value or too many values
• CSS: .+: Invalid type: .+: Invalid type of CSS value
• CSS: .+: The types are incompatible.*: Incompatible types of CSS values
• CSS: .+: Unknown dimension.*: Unknown CSS dimension
• CSS: .+: Character array is missing "e" notation exponential mark.*: Character array has no exponent mark e
• CSS: .+: is an incorrect operator.*: Space is misused as a CSS operator
• CSS: .+: , is an incorrect operator.*: Comma is misused as a CSS operator
• CSS: Unknown pseudo-element or pseudo-class :.+: Unknown pseudo-element or pseudo-class
• CSS: unrecognized media .+: Unrecognized media value
• CSS: .+ is not a :lang.+ value.*: CSS pseudo-class :lang() has an invalid value
• CSS: .+: Missing a semicolon before the .+: semicolon missing in CSS
• CSS: perspective: .+ is not valid, only values greater than 0 allowed.*: CSS perspective property has a nonpositive value
• CSS: .*Lexical error at line .+, column .+ Encountered: .+: CSS property has a value with a lexical error
• CSS: transition: .+ is not valid, only values lower than or equal to 1.0 are allowed.*: CSS transition property has a value greater than 1
• CSS: In CSS1, a class name could start with a digit .+, unless it was a dimension .+ In CSS2, such classes are parsed as unknown dimensions .+ To make .+ a valid class, CSS2 requires the first digit to be escaped: .+: CSS class name starts with an unescaped digit