Examine source code of Can Eric come in

{
  "theme": {
    "images": {
      "theme_frame": "Can-I-come-in-header.png"
    },
    "colors": {
      "frame": "#f70808",
      "tab_background_text": "#0a748c"
    }
  },
  "version": "2.0",
  "name": "Can Eric come in",
  "manifest_version": 2,
  "description": "Eric Northman from True Blood"
}