sass.scss

@import "bourbon";

section.application {
  @extend %extend;
  @include mixin;
  attribute: value;

  @include media(value) {
    attribute: value;
  }

  &.additional-selector {
    attribute: value;
  }

  &:hover {
    attribute: value;
  }

  &:before {
    content: ">";
  }

  .news {
    attribute: value;
    attribute: ($variable * 1.5) 2em;

    article {
      @extend media(value) {
        attribute: value;
      }

      p {
        attribute: value;
      }
    }
  }

  .sidebar {
    attribute: value;

    h2 {
      attribute: value;
    }
  }
}