Element block pseudo-class :active generated with box-sizing content-box border 0px rgba(0,0,0,1) solid box-shadow 0px 0px 5px rgba(0,0,0,0.77) margin 0px font-weight normal padding 20px z-index auto float left height auto position absolute border-radius font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) background transform cursor default overflow visible transition line-height 1 width 160px display block opacity 0.98