Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.2.0-beta.6)
// ----

$breakpoints: 480px 640px 900px;

@mixin cycle-breakpoints() {
    @for $i from 1 through length($breakpoints) {
      $i: $i !global;
      $val: nth($breakpoints, $i);
       
      @media only screen and (min-width: #{$val}) {
        @content
      }
    }
}
 
div {
    @include cycle-breakpoints {
        padding: 2rem * $i;
    }
}

SassMeister-output.css

@media only screen and (min-width: 480px) {
  div {
    padding: 2rem;
  }
}

@media only screen and (min-width: 640px) {
  div {
    padding: 4rem;
  }
}

@media only screen and (min-width: 900px) {
  div {
    padding: 6rem;
  }
}