/* ==========================================================================
   BANNERS
   ========================================================================== */

/*
   Content banners
   ========================================================================== */

.ads {
  position: relative;
  margin-top: 1em;
  margin-left: -1 * gutter(10);
  margin-right: -1 * gutter(10);
  text-align: center;
  @include breakpoint($small) {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
  }
  > ins {
    border-width: 0;
  }
  .ad-header {
    display: block;
    color: mix($white, $text-color, 25%);
    @include font-size(12, no);
    font-style: italic;
  }
}

/*
   Google Adsense banners
   ========================================================================== */

/* skyscraper entry-content sidebar */

.r-ads-skyscraper { width: 300px; height: 250px; }
@media(min-width: 468px) { .r-ads-skyscraper { width: 320px; height: 100px; } }
@media(min-width: 768px) { .r-ads-skyscraper { width: 160px; height: 600px; } }

/* ==========================================================================
   BANNERS
   ========================================================================== */

/*
   Content banners
   ========================================================================== */

.ads {
  position: relative;
  margin-top: 1.5em;
  margin-left: -1 * gutter(10);
  margin-right: -1 * gutter(10);
  text-align: center;
  @include breakpoint($small) {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
  }
  > ins {
    border-width: 0;
  }
  .ad-header {
    display: block;
    color: mix($white, $text-color, 25%);
    @include font-size(12, no);
    font-style: italic;
  }
}

/*
   Google Adsense banners
   ========================================================================== */

/* skyscraper entry-content sidebar */

.r-ads-skyscraper { width: 300px; height: 250px; }
@media(min-width: 468px) { .r-ads-skyscraper { width: 320px; height: 100px; } }
@media(min-width: 768px) { .r-ads-skyscraper { width: 160px; height: 600px; } }

Add more space around ads
Add more space around ads
