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