Fix #35 Improve buttons hover (#41)
Fix #35 Improve buttons hover (#41)

* Also desaturates brand color buttons on hover (better for danger)

* Use less.shade instead of less.desaturate + less.darken

* Gray background on secondary button hover

* Use same background as normal buttons

rlugojr/styleguide,rlugojr/styleguide,GitbookIO/styleguide,GitbookIO/styleguide