Examine source code of Gray Love

{
  "theme": {
    "images": {
      "theme_frame": "GreyLove_web.jpg"
    },
    "colors": {
      "frame": "#a82224",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Gray Love",
  "manifest_version": 2,
  "description": "A simple, clean design for Valentine's Day or for those who just want to show their love for LOVE."
}