sass-site/source/assets/css/helpers/_grid.scss.erb

.container {
  @include container(hide);

  &.toolkit-grid { @include background-grid; }

  <% data.layout.resolutions.each do |resolution| %>
    @include breakpoint($<%= resolution.target %>) {
      @include set-grid($<%= resolution.target %>-grid);
      @include container(hide);

      &.toolkit-grid { @include background-grid; }
    }
  <% end %>
}

.row {
  @extend %clear-fix;
  @include bleed($gutter-width);
}