Examine source code of Rock Mexicano

{
  "theme": {
    "images": {
      "theme_frame": "rockmecicano.header.png"
    },
    "colors": {
      "frame": "#ebe4e4",
      "tab_background_text": "#e8e1e1"
    }
  },
  "version": "2.0",
  "name": "Rock Mexicano",
  "manifest_version": 2,
  "description": "Rock Mexicano"
}