As Dominique suggests, you can try a different theme.
Alternatively, you can explore CSS changes. I gave this MoodleMoot presentation a while ago, "Customizing MORE to Improve Your Moodle's Appearance" that contains the general principles of CSS.
Alternatively, you can explore CSS changes. I gave this MoodleMoot presentation a while ago, "Customizing MORE to Improve Your Moodle's Appearance" that contains the general principles of CSS.