def feature_score_styling(scores, cmap='viridis'):
	"""
	Dataframe styling for feature scores.

	Per-row background gradient, with the maximum
	set to the row max, and the minimum set to zero.
	"""

	return scores.style.background_gradient(
		cmap=cmap,
		axis=1,
		text_color_threshold=0.5,
		vmin=0.0,
	)