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