.demo-toolbar {
  .button--mousedown {
    background : rgba(0, 0, 0, 0.2);
    box-shadow : 0 1px 1px rgba(0, 0, 0, 0.5) inset;
  }
}

@media
  only screen
  and (min-device-pixel-ratio : 2),
  only screen
  and (min-resolution         : 192dpi) {
  .toolbar_icon {
    background-image : url('toolbarControl_x2.png');
  }
}