sass-site/source/assets/stylesheets/foundation/_media.scss

// ===========================================================================
// MEDIA



/*
 * A better looking default horizontal rule
 */

hr {
  display: block;
  margin: 1em 0;
  border: 0 {
    top: 1px solid $border-color;
  }
  padding: 0;
  height: 1px;
}

/*
 * Remove the gap between images and the bottom of their containers: h5bp.com/i/440
 */

img { vertical-align: middle; }