Examine source code of perahub

{
  "name": "perahub",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "perahub.jpg"
    },
    "colors": {
      "toolbar": "rgba(246, 247, 234, 0)",
      "toolbar_field": "rgba(223, 247, 67, 0.19)",
      "toolbar_field_text": "rgba(235, 228, 21, 0.24)",
      "frame": "rgba(245, 12, 28, 0)",
      "tab_background_text": "rgba(245, 245, 14, 0.49)",
      "bookmark_text": "rgba(235, 235, 21, 0.51)"
    }
  }
}