Element block pseudo-class :active generated with box-sizing content-box font-size 16px display block border 15px rgba(0,0,0,1) solid transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform margin 0px position static overflow hidden z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none cursor default padding 20px border-radius font-weight normal line-height 1 width 160px background height auto