Examine source code of bloody surf

{
  "theme": {
    "images": {
      "theme_frame": "mistpersonaheader.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#f7efef"
    }
  },
  "version": "2.0",
  "name": "bloody surf",
  "manifest_version": 2,
  "description": "this is my first attempt and I'm not really for sure how it will turn out. black with red"
}