.enable_invoice() when(@enable-invoice = true) { //invoice .invoice-info { line-height: 24px !important; color: #444; vertical-align: bottom; margin-left: 9px; margin-right: 9px; } .invoice-info-label { display: inline-block; max-width: 100px; text-align: right; font-size: @font-size-invoice-data; } .invoice-box .label-large[class*="arrowed"]{ margin-left: 11px !important; max-width: 95%; } } .enable_invoice();