Examine source code of Adastrian Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Glassy Adastrian Purple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(28, 18, 59, 0.25)",
      "toolbar_text": "rgb(190, 127, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(127, 93, 238)",
      "toolbar_field": "rgba(85, 68, 123, 0.25)",
      "toolbar_field_text": "rgb(190, 127, 255)",
      "tab_line": "rgb(190, 127, 255)",
      "popup": "rgba(28, 18, 59, 0.75)",
      "popup_text": "rgb(190, 127, 255)",
      "button_background_active": "rgba(190, 127, 255, 0.25)",
      "button_background_hover": "rgba(127, 93, 238, 0.25)",
      "frame_inactive": "rgb(0, 0, 0)",
      "icons_attention": "rgb(190, 127, 255)",
      "icons": "rgb(190, 127, 255)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(190, 127, 255)",
      "popup_highlight_text": "rgb(127, 93, 238)",
      "popup_highlight": "rgba(127, 93, 238, 0.25)",
      "tab_loading": "rgb(190, 127, 255)",
      "tab_selected": "rgba(28, 18, 59, 0.25)",
      "tab_text": "rgb(190, 127, 255)",
      "toolbar_field_border_focus": "rgb(190, 127, 255)",
      "toolbar_field_border": "rgb(190, 127, 255)",
      "toolbar_field_focus": "rgb(85, 68, 123)",
      "toolbar_field_highlight_text": "rgb(190, 127, 255)",
      "toolbar_field_highlight": "rgba(190, 127, 255, 0.25)",
      "toolbar_field_text_focus": "rgb(190, 127, 255)",
      "toolbar_top_separator": "rgb(0, 0, 0)",
      "toolbar_vertical_separator": "rgb(190, 127, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f532299a-f952-4c47-a56f-1fea3bdf7214}"
    }
  }
}