Examine source code of Gray Modern Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gray Modern Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-037-b73f9b34467ba541de861f5b4c0c6316.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(75, 75, 75, 0.5)",
      "toolbar_text": "rgb(225, 225, 225)",
      "frame": "rgb(54, 57, 63)",
      "tab_background_text": "rgb(125, 125, 125)",
      "toolbar_field": "rgba(0, 0, 140, 0)",
      "toolbar_field_text": "rgb(216, 216, 216)",
      "tab_line": "rgb(0, 75, 205)",
      "popup": "rgb(24, 24, 24)",
      "popup_text": "rgb(200, 200, 200)",
      "button_background_active": "rgb(54, 57, 63)",
      "button_background_hover": "rgba(72, 72, 72, 0.8)",
      "frame_inactive": "rgb(42, 42, 42)",
      "icons_attention": "rgb(255, 255, 255)",
      "icons": "rgb(82, 92, 227)",
      "ntp_background": "rgb(54, 57, 63)",
      "ntp_text": "rgb(192, 198, 198)",
      "popup_border": "rgb(255, 255, 255)",
      "popup_highlight_text": "rgb(255, 20, 0)",
      "popup_highlight": "rgb(255, 255, 255)",
      "sidebar_highlight_text": "rgb(164, 255, 255)",
      "sidebar_text": "rgb(199, 250, 245)",
      "sidebar": "rgb(34, 120, 122)",
      "tab_loading": "rgb(255, 0, 4)",
      "tab_selected": "rgba(25, 25, 25, 0.25)",
      "tab_text": "rgb(247, 247, 247)",
      "toolbar_field_border_focus": "rgb(0, 0, 0)",
      "toolbar_field_border": "rgb(45, 47, 47)",
      "toolbar_field_focus": "rgba(53, 53, 53, 0.83)",
      "toolbar_field_highlight_text": "rgb(57, 219, 224)",
      "toolbar_field_highlight": "rgba(0, 255, 155, 0.06)",
      "toolbar_field_separator": "rgb(157, 152, 151)",
      "toolbar_top_separator": "rgb(84, 84, 84)"
    }
  }
}