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              <div class="button">button</div>
            
          
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CSS

            
              .rounded(@radius:5px) {
  -webkit-border-radius: @radius;
  -moz-border-radius: @radius;
  border-radius: @radius;
	}

.button, .box, .icon {.rounded; color:#fff; background:#000; display:block; padding:10px}
            
          
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