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