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