Examine source code of Uber Kawaii

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffdefa",
      "tab_background_text": "#FFFFFF"
    }
  },
  "version": "2.0",
  "name": "Uber Kawaii",
  "manifest_version": 2,
  "description": "A very cute, pixel style theme featuring the soot sprites from the movies Spirited Away and My Neighbor Totoro!"
}