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