Examine source code of Blue - Balanced

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue - Balanced",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-034-e0dfa84411058d2e5627f19f1ea501ca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(166, 232, 249)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(202, 241, 255)",
      "tab_background_text": "rgb(53, 53, 53)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(202, 241, 255)",
      "popup": "rgb(202, 241, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(166, 228, 249)",
      "button_background_hover": "rgb(185, 237, 253)",
      "icons": "rgb(0, 0, 0)",
      "ntp_background": "rgb(202, 241, 255)",
      "ntp_text": "rgb(0, 0, 0)",
      "popup_border": "rgba(255, 255, 255, 0)",
      "popup_highlight_text": "rgba(0, 189, 255, 0)",
      "tab_selected": "rgb(0, 0, 0)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgba(255, 255, 255, 0)",
      "toolbar_field_separator": "rgba(255, 255, 255, 0)",
      "toolbar_top_separator": "rgba(240, 240, 240, 0)",
      "toolbar_vertical_separator": "rgba(255, 255, 255, 0)",
      "tab_loading": "rgb(202, 241, 255)"
    }
  }
}