* note weird class names like `.Fz\(13px\)--sm320` and `.gemini-dropdown-panel\:h\>Fill\(\$streamBrandHoverClass\)` . are they handled? * note hang+crash of 'extractcssclasses' on 2 attached files: 1 and 8. [yh.zip](/uploads/4b51b3442aea1dbedb9243fddcad0003/yh.zip)