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