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