Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.14)
// Compass (v1.0.3)
// Include Media (v1.3.0)
// ----

@import 'include-media';

// ----- Plugin starts here -----

$emBreakpoints: ();

/// Function converts / calculates px to em
/// @param {number} $size - Width in px
/// @param {number} $base - Base size in px, defaults 16px
/// @return {number} Width in em
@function em-calc($size, $base: 16px) {
  @return $size / $base * 1em;
}

@each $breakpoint in $breakpoints {
  $emBreakpoints: map-merge($emBreakpoints, (nth($breakpoint, 1): em-calc(nth($breakpoint, 2))));
}

$breakpoints: $emBreakpoints;

// ----- Plugin ends here -----

@include media('>=tablet') {
  .module1 {
    color: tomato;
  }
}

SassMeister-output.css

@media (min-width: 48em) {
  .module1 {
    color: tomato;
  }
}