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