Examine source code of blueming

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "blueming",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(225, 234, 239)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(98, 102, 183)",
      "button_background_active": "rgb(187, 179, 232)",
      "button_background_hover": "rgb(178, 206, 247)",
      "frame_inactive": "rgb(99, 85, 185)",
      "icons_attention": "rgb(34, 86, 166)",
      "icons": "rgb(150, 85, 185)",
      "ntp_background": "rgb(148, 169, 202)",
      "ntp_text": "rgb(68, 13, 101)",
      "popup_border": "rgb(0, 99, 255)",
      "popup_highlight_text": "rgb(233, 199, 253)",
      "popup_highlight": "rgb(17, 79, 165)",
      "sidebar_border": "rgb(255, 179, 237)",
      "sidebar_highlight_text": "rgb(181, 244, 244)",
      "sidebar_highlight": "rgb(255, 136, 200)",
      "sidebar_text": "rgb(255, 171, 172)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{886774bb-0e84-4999-ad89-085c34a24dbe}"
    }
  }
}