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