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