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

.footer {
  $footer-background: $medium-gray;
  $footer-color: white;
  $footer-link-color: transparentize($footer-color, .6);
  $footer-disclaimer-color: transparentize($footer-color, .6);

  background: $footer-background;

  .content {
    padding: $container-padding*2 0;
  }

  .footer-links {
    @include clearfix;
    margin-bottom: $base-line-height;
  }

  ul {
    margin-bottom: $base-line-height*2;

    @include media($medium-screen) {
      @include span-columns(3);
      @include omega(4n);
      @include clearfix;
    }
  }

  li {
    text-align: center;

    @include media($medium-screen) {
      text-align: center;
    }
  }

  li a {
    color: $footer-link-color;

    &:hover {
      color: transparentize($footer-color, 0);
    }
  }

  li h3 {
    color: $footer-color;
    font-size: 1em;
    font-weight: 800;
    margin-bottom: .4em;
  }  

  hr {
    border: 1px solid transparentize($footer-disclaimer-color, .3);
    margin: 0 auto $base-line-height;
    width: 12em;
  }

  p {
    color: $footer-disclaimer-color;
    font-size: .9em;
    line-height: 1.5em;
    margin: auto;
    max-width: 35em;
    text-align: center;
  }
}