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