Examine source code of Hook Em

{
  "theme": {
    "images": {
      "theme_frame": "hookemhorns1.jpg"
    },
    "colors": {
      "frame": "#f0ebeb",
      "tab_background_text": "#0a0909"
    }
  },
  "version": "2.0",
  "name": "Hook Em",
  "manifest_version": 2,
  "description": "Texas Longhorns Football"
}