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