Examine source code of simple futuristic UI

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "simple foturistic UI",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-020-48c286b34e53380d46803c2e5603a5b2.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 11, 82, 0.43)",
      "toolbar_text": "rgb(0, 204, 232)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(5, 124, 140)",
      "toolbar_field": "rgba(41, 115, 100, 0.24)",
      "toolbar_field_text": "rgb(15, 187, 152)",
      "tab_line": "rgb(0, 190, 255)",
      "popup": "rgba(20, 33, 32, 0.78)",
      "popup_text": "rgb(9, 183, 255)",
      "button_background_active": "rgba(19, 119, 230, 0.36)",
      "button_background_hover": "rgba(0, 148, 255, 0.16)",
      "icons_attention": "rgb(0, 255, 194)",
      "icons": "rgb(40, 104, 89)",
      "ntp_background": "rgb(0, 0, 0)",
      "popup_border": "rgb(0, 134, 255)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "tab_selected": "rgba(68, 83, 93, 0.15)",
      "tab_text": "rgb(0, 255, 169)",
      "toolbar_bottom_separator": "rgb(0, 169, 255)",
      "toolbar_field_border_focus": "rgb(20, 175, 191)",
      "toolbar_field_focus": "rgba(0, 0, 0, 0.19)",
      "toolbar_top_separator": "rgb(0, 158, 255)",
      "tab_loading": "rgb(0, 190, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ee9fea04-b137-4d95-a049-9c32430553a6}"
    }
  }
}