Examine source code of Clean Cyan

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Clean Cyan",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-010-e9f94a3e61666a4c7677eb9cce17d854.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(90, 197, 251)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(252, 252, 252)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(157, 157, 157, 0.29)",
      "icons_attention": "rgb(255, 0, 4)",
      "popup_border": "rgb(0, 0, 0)",
      "tab_background_separator": "rgb(0, 0, 0)",
      "tab_selected": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(124, 124, 124)",
      "toolbar_field_border": "rgb(176, 172, 172)",
      "toolbar_top_separator": "rgb(124, 124, 124)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{92aa9f4c-6c94-46a5-ae75-8f2d7ba3fdb2}"
    }
  }
}