Examine source code of Easy On Eyes Gradient Theme

{
  "manifest_version": 2,
  "version": "1.4",
  "name": "Easy",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(19, 19, 19)",
      "toolbar_text": "rgb(232, 232, 232)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(240, 240, 240)",
      "toolbar_field": "rgba(0, 0, 0, 0.27)",
      "toolbar_field_text": "rgb(200, 200, 200)",
      "tab_line": "rgba(0, 0, 0, 0.08)",
      "popup": "rgb(26, 26, 26)",
      "popup_text": "rgb(218, 218, 218)",
      "button_background_active": "rgb(45, 45, 45)",
      "button_background_hover": "rgb(48, 48, 48)",
      "icons": "rgb(192, 192, 192)",
      "ntp_background": "rgb(15, 15, 15)",
      "ntp_text": "rgb(242, 242, 242)",
      "popup_border": "rgba(218, 218, 218, 0)",
      "popup_highlight_text": "rgb(240, 240, 240)",
      "sidebar_highlight_text": "rgb(240, 240, 240)",
      "sidebar_text": "rgb(240, 240, 240)",
      "tab_selected": "rgb(52, 52, 52)",
      "tab_text": "rgb(240, 240, 240)",
      "toolbar_bottom_separator": "rgba(0, 0, 0, 0)",
      "toolbar_field_border_focus": "rgba(26, 26, 26, 0)",
      "toolbar_field_border": "rgba(0, 0, 0, 0.15)",
      "toolbar_field_focus": "rgb(26, 26, 26)",
      "toolbar_field_highlight_text": "rgb(242, 242, 242)",
      "toolbar_field_highlight": "rgb(77, 77, 77)",
      "toolbar_field_separator": "rgb(19, 19, 19)",
      "toolbar_field_text_focus": "rgb(240, 240, 240)",
      "toolbar_top_separator": "rgb(19, 19, 19)",
      "toolbar_vertical_separator": "rgb(19, 19, 19)",
      "tab_loading": "rgba(0, 0, 0, 0.08)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4460bc12-aa5b-4ef8-909e-b3e811bff02a}"
    }
  }
}