Examine source code of pastel gato

{
  "manifest_version": 2,
  "name": "pastel gato",
  "version": "0.1",
  "theme": {
    "images": {
      "theme_frame": "temp.gif"
    },
    "colors": {
      "frame": "#FFAFCC",
      "tab_line": "rgba(255, 255, 255, 0)",
      "tab_selected": "#FFC8DD",
      "tab_background_text": "black",
      "toolbar": "#BDE0FE",
      "button_background_hover": "#CDB4DB",
      "toolbar_top_separator": "#CDB4DB",
      "toolbar_bottom_separator": "#CDB4DB"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2249aab4-f611-4ea6-944a-476faa53cd51}"
    }
  }
}