Examine source code of IDOLiSH7 RESTART POiNTER

{
  "name": "IDOLiSH7 RESTART POiNTER",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "アニメ「アイドリッシュセブン」公式 on Twitter (3).jpg"
    },
    "colors": {
      "frame": "rgba(255, 247, 0, 1)",
      "tab_background_text": "rgba(255, 242, 253, 1)",
      "toolbar": "rgba(168, 243, 255, 0.3)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 237, 248, 0.95)",
      "toolbar_field_text": "rgba(181, 6, 87, 1)"
    }
  }
}