Examine source code of Megurine Ruka

{
  "theme": {
    "images": {
      "theme_frame": "DYE-megurineruka.jpg"
    },
    "colors": {
      "frame": "#ffb2f5",
      "tab_background_text": "#0031e3"
    }
  },
  "version": "2.0",
  "name": "Megurine Ruka",
  "manifest_version": 2,
  "description": "vocaloid Megurine Ruka"
}