Examine source code of Random Trigun

{
  "theme": {
    "images": {
      "theme_frame": "trigunthingyresized.jpg"
    },
    "colors": {
      "frame": "#51a7ad",
      "tab_background_text": "#bfbc24"
    }
  },
  "version": "2.0",
  "name": "Random Trigun",
  "manifest_version": 2,
  "description": "Yay Trigun! This is the very first of these I've ever made so it's really just an experiment. Don't hate it T^T"
}