#loop-button,
toolbar[brighttext] #loop-button {
  #nav-bar & { list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/loop-toolbar-icons.svg") !important; }

  #TabsToolbar & { list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/loop-tabbar-icons.svg") !important; }

  #nav-bar &:not([disabled=true]):-moz-any([open],[checked],:hover:active),
  #TabsToolbar &:not([disabled=true]):-moz-any([open],[checked],:hover:active) {
    list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg") !important;
  }
}