def config_fixed(self, **kwargs):
        for font in (self.fixed, self.fixed_bold, self.fixed_italic):
            font.configure(**kwargs)
Look for link with specified rel, return href from it or None
dataset/ETHPy150Open boakley/robotframework-workbench/rwb/lib/fonts.py/FontScheme.config_fixed--crossover with--dataset/ETHPy150Open resync/resync/resync/resource_container.py/ResourceContainer.link_href