<#macro left_column width=0> <#if width gt 0> <div class="left-column" style="width: ${width}px"> <#else> <div class="column left-column"> </#if> <#nested> </div> </#macro> <#macro right_column width=0> <#if width gt 0> <div style="width: ${width}px; padding: 0 0 0 ${width}px"> <#else> <div class="column right-column"> </#if> <#nested> </div> </#macro>