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