Examine source code of Deathnote l light misu

{
  "theme": {
    "images": {
      "theme_frame": "deathnotetab_edited-1.jpg"
    },
    "colors": {
      "frame": "#c90e0e",
      "tab_background_text": "#8c0a0a"
    }
  },
  "version": "2.0",
  "name": "Deathnote l light misu",
  "manifest_version": 2,
  "description": "death note lover"
}