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