added font-setting-button class to font settings to impose consistent wi...

...dth

- makes  font size, alignment, highlight, and colour button all the same width
- rebuilt dist files

relates to 
- https://github.com/Rise-Vision/common-style/pull/31
- https://github.com/Rise-Vision/style-guide/pull/37

could @winkerVSbecks and/or @alex-deaconu review & merge?