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