Reduce margin between modal footer buttons
Reduce margin between modal footer buttons

Set margin to 0 except left margin on any button after another button
Now matches the 8px from the design spec

stoplightio/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq