Element block pseudo-class :active generated with transform box-sizing content-box padding 20px font-size 16px border-radius display block overflow hidden margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none line-height 1 border 0px rgba(0,0,0,1) solid width 160px z-index auto position static transition background cursor default height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal