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