Examine source code of Modest Mouse M&A

{
  "theme": {
    "images": {
      "theme_frame": "Modestheader1.jpg"
    },
    "colors": {
      "frame": "#e1fa03",
      "tab_background_text": "#e1fa03"
    }
  },
  "version": "2.0",
  "name": "Modest Mouse M&A",
  "manifest_version": 2,
  "description": "Moon and Antarctica, first try with this one."
}