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