Examine source code of fillyoursidebar_yellow

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "fillyoursidebar_yellow",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(214, 214, 214)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgba(177, 177, 177, 0.75)",
      "popup": "rgb(222, 222, 222)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgba(255, 255, 255, 0)",
      "tab_selected": "rgb(255, 242, 206)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_field_border_focus": "rgba(179, 179, 179, 0.57)",
      "toolbar_field_focus": "rgb(214, 214, 214)",
      "toolbar_field_highlight": "rgb(112, 199, 255)",
      "toolbar_field_text_focus": "rgb(0, 0, 0)",
      "tab_loading": "rgba(177, 177, 177, 0.75)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd1971ec-031d-4edc-a291-aa739d5f0a96}"
    }
  }
}