AngleSharp by AngleSharp

<PackageReference Include="AngleSharp" Version="0.9.11" />

 CssParseError

public enum CssParseError
A collection of CSS parse error codes.

An expected colon is missing.

EOF = 0

Unexpected end of file detected.

An expected identifier could not be found.

An given input has not been expected.

No block can start at the current position.

The provided character is not valid at the given position.

The provided keyframe selector is invalid.

The provided selector is invalid.

The given token is not valid at the current position.

The value is invalid and cannot be used.

This position does not support a linebreak (LF, FF).

The name of the @-rule is unknown.

The name of the declaration is unknown.

The value of the declaration could not be found.