Examine source code of Blueish

{
  "name": "Blueish",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "DeepinScreenshot_select-area_20190630214127.png"
    },
    "colors": {
      "frame": "rgba(16, 31, 45, 1)",
      "tab_background_text": "rgba(189, 189, 189, 1)",
      "toolbar": "rgba(16, 31, 45, 1)",
      "bookmark_text": "rgba(189, 189, 189, 1)",
      "toolbar_field": "rgba(16, 31, 45, 1)",
      "toolbar_field_text": "rgba(189, 189, 189, 1)"
    }
  }
}