Examine source code of Zero Punction

{
  "theme": {
    "images": {
      "theme_frame": "Zeropunctuationbanner1v1.JPG"
    },
    "colors": {
      "frame": "#ffae00",
      "tab_background_text": "#ffe600"
    }
  },
  "version": "2.0",
  "name": "Zero Punction",
  "manifest_version": 2,
  "description": "a theme based on benjamin yahtzee croshaw's game reviewing series called zero punctuation."
}