Examine source code of Elegant Dark Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Elegant Dark",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-037-b73f9b34467ba541de861f5b4c0c6316.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(35, 35, 35)",
      "toolbar_text": "rgb(240, 240, 240)",
      "frame": "rgb(20, 20, 20)",
      "tab_background_text": "rgb(240, 240, 240)",
      "toolbar_field": "rgb(50, 50, 50)",
      "toolbar_field_text": "rgb(240, 240, 240)",
      "tab_line": "rgba(35, 40, 45, 0.75)",
      "popup": "rgba(35, 35, 35, 0.98)",
      "popup_text": "rgb(240, 240, 240)",
      "button_background_active": "rgb(65, 65, 65)",
      "button_background_hover": "rgb(75, 75, 75)",
      "icons_attention": "rgb(100, 210, 255)",
      "ntp_background": "rgb(25, 26, 27)",
      "ntp_text": "rgb(240, 240, 240)",
      "popup_border": "rgba(15, 15, 15, 0.5)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgba(100, 210, 255, 0.2)",
      "tab_loading": "rgb(100, 210, 255)",
      "toolbar_bottom_separator": "rgba(35, 35, 35, 0.75)",
      "toolbar_field_border_focus": "rgba(100, 210, 255, 0.2)",
      "toolbar_field_focus": "rgba(45, 45, 45, 0.98)",
      "toolbar_top_separator": "rgba(35, 35, 35, 0.75)"
    }
  }
}