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