Examine source code of Neko - Cytus 2

{
  "name": "Neko",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgb(25, 25, 25)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(25, 25, 25)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{32ea2e07-f412-4c13-a6b2-606213e418ee}"
    }
  }
}