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