Examine source code of Surfing Dolphin

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Surfing Dolphin",
  "manifest_version": 2,
  "description": "Sometimes Dolphin love to go surfing. I guess when it's a good day to go, bring your friends too."
}