Examine source code of A gift for you ...

{
  "theme": {
    "images": {
      "theme_frame": "christmasnight.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fff7ab"
    }
  },
  "version": "2.0",
  "name": "A gift for you ...",
  "manifest_version": 2,
  "description": "sakura kinomoto shaoran syaoran lee card captor  cardcaptor tsubasa chronicle reservoir anime manga christmas holiday japan love CLAMP japanese xxxholic"
}