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