Examine source code of Maneki Neko-Red

{
  "theme": {
    "images": {
      "theme_frame": "Maneki-neko-Red.png"
    },
    "colors": {
      "frame": "#f74f4f",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Maneki Neko-Red",
  "manifest_version": 2,
  "description": "Maneki Neko for users that doesn't use bars like Yahoo, Ask, Antivirus, etc, is for users that only use three bars.\nIs for good luck.\n<a href=\"https://outgoing.prod.mozaws.net/v1/528cf9d4bd11eab4ad6d3504981129adcaeb7bd3c51358689467c754bf329989/http%3A//Charkleons.com\" rel=\"nofollow\">Charkleons.com</a>"
}