Examine source code of Axis Powers Hetalia Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#b2e5ff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Axis Powers Hetalia Theme",
  "manifest_version": 2,
  "description": "Hetalia belongs to Hidekaz Himaruya. I don't own the picture."
}