.container,
.lg-container,
.md-container,
.sm-container,
.article-container {
  margin-left: auto;
  margin-right: auto;
  padding-left: $space-3;
  padding-right: $space-3;
  padding-bottom: $space-3;
}

.container,
.container-width { max-width: $container-width }
.lg-container,
.lg-width { max-width: $screen-large }
.md-container,
.md-width { max-width: $screen-mid }
.sm-container,
.sm-width { max-width: $screen-small }
.article-container,
.article-width { max-width: $article-width }