text: qx.Theme.define("qxl.demobrowser.Appearance", {
    extend: qx.theme.indigo.Appearance,
    title: "Demo browser",
  
    appearances: {
      "demo-tree": {
        alias: "tree",
        include: "tree",
  
        style() {
          return {
            width: 270,
            padding: 0,
            decorator: "main",
          };
        },
      },
    },
  });
  