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