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