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