#panel .panel-button.window-controls {
  -natural-hpadding: 0px;
  -minimum-hpadding: 0px;
}

#panel .window-controls-box {
  spacing: 2px;
}

#panel .window-controls-box .window-button {
  width: 22px;
}

#panelLeft .window-controls-container:first-child .window-button:first-child {
  padding-left: 3px;
}

#panelRight .window-controls-container:last-child .window-button:last-child {
  padding-right: 3px;
}

#panel .window-controls-box .icon {
  background-color: transparent;
  border-radius: 0;
  box-shadow: none;
  border: 0;
}