Examine source code of Every tab an Oasis

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Desert Oasis",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-013-06591d4ad28ab7b9ee90f62f81d6b505.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(19, 19, 19, 0)",
      "toolbar_text": "rgb(243, 222, 186)",
      "frame": "rgb(103, 93, 80)",
      "tab_background_text": "rgb(243, 222, 186)",
      "toolbar_field": "rgba(103, 93, 80, 0.11)",
      "toolbar_field_text": "rgb(243, 222, 186)",
      "tab_line": "rgba(254, 200, 104, 0.04)",
      "popup": "rgb(204, 112, 75)",
      "popup_text": "rgb(45, 39, 39)",
      "button_background_active": "rgb(204, 112, 75)",
      "button_background_hover": "rgb(204, 112, 75)",
      "frame_inactive": "rgb(131, 118, 102)",
      "icons_attention": "rgb(103, 93, 80)",
      "icons": "rgb(243, 222, 186)",
      "ntp_background": "rgb(103, 93, 80)",
      "popup_border": "rgba(253, 167, 105, 0)",
      "popup_highlight_text": "rgb(71, 60, 51)",
      "popup_highlight": "rgb(71, 60, 51)",
      "sidebar_border": "rgba(19, 19, 19, 0)",
      "sidebar_highlight_text": "rgb(19, 19, 19)",
      "sidebar_highlight": "rgb(171, 196, 170)",
      "sidebar_text": "rgb(243, 222, 186)",
      "sidebar": "rgb(71, 60, 51)",
      "tab_background_separator": "rgb(71, 60, 51)",
      "tab_selected": "rgb(171, 196, 170)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgba(254, 200, 104, 0)",
      "toolbar_field_border": "rgba(254, 200, 104, 0)",
      "toolbar_field_highlight_text": "rgb(71, 60, 51)",
      "toolbar_field_highlight": "rgb(243, 222, 186)",
      "toolbar_field_separator": "rgba(71, 60, 51, 0)",
      "toolbar_top_separator": "rgba(71, 60, 51, 0)",
      "toolbar_vertical_separator": "rgba(71, 60, 51, 0)",
      "tab_loading": "rgba(254, 200, 104, 0.04)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3da275a8-f7f7-4598-b1a3-cb1933c24480}"
    }
  }
}