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