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