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