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