Создаём красивые объявления 1.0

<xen:if is="@enableResponsive">
  @media (max-width:@maxResponsiveWideWidth) {
.PanelScroller .scrollContainer, .PanelScrollerOff .panel {
  /*display: none;*/
}
  }
  @media (max-width:@maxResponsiveMediumWidth) {
.PanelScroller .scrollContainer, .PanelScrollerOff .panel {
  display: none;
}
  }
  @media (max-width:@maxResponsiveNarrowWidth) {
.PanelScroller .scrollContainer, .PanelScrollerOff .panel {
  display: none;
}}
  }
</xen:if>