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