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