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