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