### Problem  Cannot change line-height through custom theme CSS:  ### Project to reproduce Set maximum_signature_line_length = 1 in Sphinx `conf.py`. Generate any python docs. #### Error Logs/Results Other themes show much more reasonable line-height, or give the ability to change line-height. ### Environment Info - Python Version: 3.8.10 - Sphinx Version: 7.1.2 - RTD Theme Version: 1.3.0