@gohelpfund/insight-ui/public/lib/bootstrap/less/mixins/opacity.less

An open-source frontend for the Insight API. The Insight API provides you with a convenient, powerful and simple way to query and broadcast data on the Help network and build your own services with it.

// Opacity

.opacity(@opacity) {
  @opacity-ie: (@opacity * 100);  // IE8 filter
  filter: ~"alpha(opacity=@{opacity-ie})";
  opacity: @opacity;
}