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