CssParserOptions
Contains a number of options for the CSS parser.
Gets or sets if unknown declarations are dropped.
Gets or sets if unknown (@-) rules are dropped.
Gets or sets if CSS trivia (whitespace, tabs, comments, ...) should
be stored.
Gets or sets if invalid constraints should be ignored.
Gets or sets if style rules with invalid selectors should included.
Gets or sets if invalid values for declarations should be ignored.