Examine source code of Kaiju Bros

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e6e6e6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Kaiju Bros",
  "manifest_version": 2,
  "description": "this is just a test run to see how the theme looks. I was just playing around ;A;\n\neither way, a theme of our magnificent Kaiju-loving scientists."
}