article.theme.summary {
  padding-bottom: 2rem;
}

@media (min-width : 30rem ) {
  article.theme.summary aside.thumbnail {
    width: 40%;
    float: right;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  article.theme.summary .content {
    width: 60%;
    padding-right: 1rem;
  }
}

article.theme.summary .content span {
  display: block;
}

article.theme.full .tags {
  opacity: 0.6;

  display: block;

  padding-top: 2rem;
  padding-bottom: 1rem;
}

.clearfix:after {
   content: " "; /* Older browser do not support empty content */
   visibility: hidden;
   display: block;
   height: 0;
   clear: both;
}