Examine source code of Rainbow Gray

{
  "manifest_version": 2,
  "version": "2.2",
  "name": "Rainbow Gray",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(179, 176, 173, 0.6)",
      "toolbar_text": "rgb(62, 40, 25)",
      "frame": "rgb(85, 84, 84)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(43, 42, 42, 0.69)",
      "toolbar_field_text": "rgba(219, 219, 219, 0.8)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgba(0, 0, 0, 0.45)",
      "popup_text": "rgb(215, 241, 249)",
      "button_background_active": "rgb(137, 135, 135)",
      "icons": "rgb(215, 241, 249)",
      "ntp_background": "rgba(104, 103, 103, 0.51)",
      "ntp_text": "rgb(255, 172, 59)",
      "popup_border": "rgba(0, 0, 0, 0.74)",
      "popup_highlight_text": "rgb(251, 213, 149)",
      "popup_highlight": "rgba(137, 135, 135, 0.34)",
      "sidebar_border": "rgb(104, 103, 103)",
      "sidebar_highlight_text": "rgb(251, 213, 149)",
      "sidebar_highlight": "rgba(137, 135, 135, 0.54)",
      "sidebar_text": "rgba(0, 0, 0, 0.72)",
      "sidebar": "rgb(168, 167, 166)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_field_border_focus": "rgb(250, 161, 156)",
      "toolbar_field_border": "rgb(215, 241, 249)",
      "toolbar_field_highlight_text": "rgb(250, 161, 156)",
      "toolbar_field_highlight": "rgb(104, 103, 103)",
      "toolbar_field_separator": "rgb(250, 161, 156)",
      "toolbar_field_text_focus": "rgb(177, 235, 250)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  }
}