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