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