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