You can customise the colour scheme of your WordPress site’s Fontsamplers:
Typeface: Ubuntu by DaltonMaag
The user interface elements of each Fontsampler can be adjusted in the admin panel. Simply drag the elements in the right order and save.
For example, you can align all interface elements below the textarea:
Tweak the interface to your liking
Typeface: Proza Libre by Jasper de Waard
Fontsamplers will by default take up any space available, so they also adapt to smaller columns:
It is responsive! Sort of...
Typeface: Abril Fatface by TypeTogether