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