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