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