Generated by SassMeister.com.

SassMeister-input-HTML.haml

%p dupa

SassMeister-input.sass

// ----
// Sass (v3.3.4)
// Compass (v1.0.0.alpha.18)
// Bourbon (v)
// Neat (v)
// ----

@import bourbon/bourbon
@import neat/neat

$screen-xs: 640px
$screen-sm: $screen-xs + 1px
$count: 0

=responsive
  $count: 0
  +media($screen-sm)
    @content
  $count: 1
  @content
  

=r($rule, $xs, $md)
  @if $count == 1
    #{$rule}: $xs
  @else
    #{$rule}: $md
  
p
  +responsive
    +r(line-height, 16px, 36px)
    +r(width, 100px, 200px)
    +r(height, 150px, 300px)

SassMeister-output.css

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

p {
  line-height: 16px;
  width: 100px;
  height: 150px;
}
@media screen and (min-width: 641px) {
  p {
    line-height: 36px;
    width: 200px;
    height: 300px;
  }
}

SassMeister-rendered.html

<p>dupa</p>