Examine source code of Love on the Window

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#d4c9c9",
      "tab_background_text": "#9e3d3d"
    }
  },
  "version": "2.0",
  "name": "Love on the Window",
  "manifest_version": 2,
  "description": "Show love to someone today. be a light in someone's life."
}