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