Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.12)
// Compass (v1.0.0.alpha.21)
// ----

@mixin breakpoint($class) {
  @if $class == xs {
    @media (max-width: 767px) { @content; }
  }
 
  @else if $class == sm {
    @media (min-width: 768px) { @content; }
  }
 
  @else if $class == md {
    @media (min-width: 992px) { @content; }
  }
 
  @else if $class == lg {
    @media (min-width: 1200px) { @content; }
  }
 
  @else {
    @warn "Breakpoint mixin supports: xs, sm, md, lg";
  }
}
html, body {height:100%;

  @include breakpoint(xs) {
    height:auto
  }

}

SassMeister-output.css

html, body {
  height: 100%;
}
@media (max-width: 767px) {
  html, body {
    height: auto;
  }
}