SOURCE CODE: Uize.Widgets.Tooltip.Css (view docs)

.`` {
  display: inline-block;
  padding: 10px;
  max-width: 400px;
  _width: 400px; /* hack for IE6 (which doesn't support max-width) */
  margin: 0;
}

.`contents` {
  box-shadow: 0 0 10px rgba(0,0,0,.5);
}