Examine source code of Little Stallion

{
  "theme": {
    "images": {
      "theme_frame": "Wiesesilvercody.jpg"
    },
    "colors": {
      "frame": "#359143",
      "tab_background_text": "#f5faf9"
    }
  },
  "version": "2.0",
  "name": "Little Stallion",
  "manifest_version": 2,
  "description": "little stallion on his first day"
}