#logo a {display: block;}

.views-row article.node--view-mode-teaser img {max-width: 50%}

@media (min-width: 768px) {
  aside#sidebar {
    width: 17%;
  }
}

@media (min-width: 768px) {
  div.col-sm-6  {
    width: 66%;
  }
}