ensl.org/app/assets/stylesheets/layout/_body.scss

body {
  margin: 0;
  padding: 0;
  background: #046;
}

%container-padded {
  padding: 0 em(20);
}

.wrapper {
  @include outer-container;
}

#content {
  @extend %container-padded;
}

#content,
#forums {
  @include span-columns(12);
  background: #F3F3FB;
  padding-top: em(20);
}

#main {
  @include span-columns(9);
}

#sidebar {
  @include span-columns(3);
  @include omega();
}