Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.12)
// Compass (v1.0.3)
// ----

$large-mq: false;

@mixin bp-large($width) {
    // If we're outputting for a fixed media query set...
    @if $large-mq {
        // ...and if we should apply these rules...
        @if $large-mq >= $width {
            @media screen and (min-width: $width) {
              @content;
          }
        }
    }
}
.test {
  @include bp-large(960px) {
    color: green;
  }
}

$large-mq: 960px;
.test-true {
  @include bp-large(960px) {
    color: red;
  }
}

SassMeister-output.css

@media screen and (min-width: 960px) {
  .test-true {
    color: red;
  }
}