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