.ft pagination <article id="novella" data-aid="17893" data-layout="vertical"> <div class="page"> <div class="hd">title</div> <div class="bd">content</div> <div class="ft"> pagination </div> </div> </article> vendors = webkit moz official border-radius(val) for vendor in vendors if vendor == official border-radius val else -{vendor}-border-radius val @import 'mixins/border' .btn-flat border-radius 5px .btn-flat { -webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; }