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