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