Examine source code of Hero Fresh

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Hero Fresh",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(24, 26, 49)",
      "toolbar_text": "rgb(148, 142, 120)",
      "frame": "rgb(24, 26, 49)",
      "tab_background_text": "rgb(114, 114, 114)",
      "toolbar_field": "rgb(12, 16, 24)",
      "toolbar_field_text": "rgb(158, 158, 158)",
      "tab_line": "rgb(105, 0, 0)",
      "popup": "rgba(50, 0, 0, 0.6)",
      "popup_text": "rgb(170, 170, 170)",
      "icons_attention": "rgb(170, 170, 170)",
      "icons": "rgb(148, 142, 120)",
      "ntp_background": "rgb(34, 44, 68)",
      "ntp_text": "rgb(197, 197, 197)",
      "sidebar_text": "rgb(170, 170, 170)",
      "sidebar": "rgb(24, 26, 49)",
      "tab_background_separator": "rgba(61, 27, 229, 0)",
      "tab_selected": "rgb(12, 16, 24)",
      "toolbar_field_border": "rgb(12, 16, 24)",
      "toolbar_field_focus": "rgba(50, 0, 0, 0.5)",
      "toolbar_top_separator": "rgba(148, 142, 120, 0)",
      "tab_loading": "rgb(105, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6a607aed-42f7-4cd1-a10b-2538a6c6fda7}"
    }
  }
}