Using this with a theme that has a dark mode makes text in the popup hard to read, see e.g. https://icb-scanpy--2220.com.readthedocs.build/en/2220/api/generated/scanpy.pp.calculate_qc_metrics.html#scanpy.pp.calculate_qc_metrics 
Using this with a theme that has a dark mode makes text in the popup hard to read, see e.g. https://icb-scanpy--2220.com.readthedocs.build/en/2220/api/generated/scanpy.pp.calculate_qc_metrics.html#scanpy.pp.calculate_qc_metrics