Online Google Chrome Theme Creator How to remove Chrome themes? At the top right of Chrome, click More and then Settings. Under "Appearance," click Reset to default. You'll see the classic Google Chrome theme again. What is the recommended size for each image? theme_frame: ∞ x 30px theme_toolbar: ∞ x 120px theme_tab_background: ∞ x 65px theme_ntp_background: Recommended Minimum Size for images 800