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