Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="main-container">
  
  <div class="susy-container container">
    <div class="sidebar-left">
      <p>Pork loin frankfurter swine boudin t-bone. Turkey capicola salami doner frankfurter bacon short loin cupim andouille spare ribs picanha shoulder tri-tip. Bresaola leberkas t-bone ham bacon hamburger pancetta filet mignon kevin. Jerky bresaola cow short ribs.</p>
      <p>Pig sirloin ground round cow pork kielbasa hamburger kevin meatloaf rump. Shoulder chuck bresaola picanha beef ribs strip steak frankfurter drumstick fatback cupim hamburger meatball. Ground round bacon porchetta, swine shoulder pork chop chicken capicola corned beef short ribs fatback biltong. Corned beef kevin drumstick bacon kielbasa. Cow boudin flank spare ribs sirloin.</p>
    </div>
    <div class="content">
      <p>Rump t-bone hamburger pork leberkas shoulder. Meatloaf bacon tongue turkey t-bone. Jowl sirloin alcatra sausage cow. Beef ham hock pork chop, shoulder cow swine boudin jerky turkey tri-tip spare ribs ground round meatball salami kevin. Pork loin brisket prosciutto, swine doner flank shoulder cow kevin shank jowl biltong pancetta jerky. Ham short ribs drumstick filet mignon pork loin meatloaf alcatra rump boudin ground round pig frankfurter chicken. Sausage jerky beef ribs meatloaf tongue ground round shank drumstick, frankfurter shoulder.</p>
    </div>
  </div>
  
  <div class="susy2-container container">
    
  </div>
  
</div>

SassMeister-input.scss

// ----
// libsass (v3.2.4)
// ----

@import "susy";

/* Susy config */
$susy: (
  debug: (
    image: show,
    toggle: top right
  ),
  columns: 12,
  gutters: .45,
  gutter-position: inside,
  container: 1170px,
  global-box-sizing: border-box
);
@include global-box-sizing;

/* base styles */

/* structure styles */
.main-container {
  @include container;
  margin: 0 auto;
  height: 100vh;
}
.container {
  
}

.sidebar-left{
  @include span(4 first);
}
.content{
  @include span(7 last);
  @include pull(1);
}

SassMeister-output.css

/* Susy config */
*, *:before, *:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/* base styles */
/* structure styles */
.main-container {
  max-width: 1170px;
  margin-left: auto;
  margin-right: auto;
  background-image: linear-gradient(to right, rgba(102, 102, 255, 0.25), rgba(179, 179, 255, 0.25));
  background-size: 8.33333%;
  background-origin: content-box;
  background-clip: content-box;
  background-position: left top;
  margin: 0 auto;
  height: 100vh;
}

.main-container:after {
  content: " ";
  display: block;
  clear: both;
}

.sidebar-left {
  width: 33.33333%;
  float: left;
  padding-left: 1.2931%;
  padding-right: 1.2931%;
}

.content {
  width: 58.33333%;
  float: right;
  padding-left: 1.2931%;
  padding-right: 1.2931%;
  margin-left: -8.33333%;
}

SassMeister-rendered.html

<div class="main-container">
  
  <div class="susy-container container">
    <div class="sidebar-left">
      <p>Pork loin frankfurter swine boudin t-bone. Turkey capicola salami doner frankfurter bacon short loin cupim andouille spare ribs picanha shoulder tri-tip. Bresaola leberkas t-bone ham bacon hamburger pancetta filet mignon kevin. Jerky bresaola cow short ribs.</p>
      <p>Pig sirloin ground round cow pork kielbasa hamburger kevin meatloaf rump. Shoulder chuck bresaola picanha beef ribs strip steak frankfurter drumstick fatback cupim hamburger meatball. Ground round bacon porchetta, swine shoulder pork chop chicken capicola corned beef short ribs fatback biltong. Corned beef kevin drumstick bacon kielbasa. Cow boudin flank spare ribs sirloin.</p>
    </div>
    <div class="content">
      <p>Rump t-bone hamburger pork leberkas shoulder. Meatloaf bacon tongue turkey t-bone. Jowl sirloin alcatra sausage cow. Beef ham hock pork chop, shoulder cow swine boudin jerky turkey tri-tip spare ribs ground round meatball salami kevin. Pork loin brisket prosciutto, swine doner flank shoulder cow kevin shank jowl biltong pancetta jerky. Ham short ribs drumstick filet mignon pork loin meatloaf alcatra rump boudin ground round pig frankfurter chicken. Sausage jerky beef ribs meatloaf tongue ground round shank drumstick, frankfurter shoulder.</p>
    </div>
  </div>
  
  <div class="susy2-container container">
    
  </div>
  
</div>