More spacing on card actions so they are clickable with a scrollbar

Hello me, 

Please review the following commits I made in branch 'prezjordan-button-clickable'.

045e716cfed6b9cd1c603cdcb4a057358656e042 (2013-08-11 17:35:33 -0700)
More spacing on card actions so they are clickable with a scrollbar


R=me
VISIBLE_CHANGES=More spacing on card actions so they are clickable with a scrollbar