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