You can stylize certain sections of MEC, using Styling Options. In addition to being able to change the base color, you can also change the color of the title, title hover, and description in the shortcode settings.
It is also possible to set a specific font for headings, paragraphs, or allow the fonts to read from your theme. If you like you can disable Google Fonts.
Lastly, the container size can also be changed in MEC.