Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.2.5)
// ----


    $reveal: nil;
    
    @media only screen and (min-width: 1025px) {
      // tests whether or not a reveal is true, if so it changes bg attachment to fixed
      @mixin testReveal($r: null) {
        @if ($r != 'false') {
          background-attachment: fixed;
          background-size: 1060px;
        }
      }
      @include testReveal($reveal);
    }

SassMeister-output.css

@media only screen and (min-width: 1025px) {
  background-attachment: fixed;
  background-size: 1060px;
}