.section {
  float: left;
  clear: both;
  width: 100%;
  margin-bottom: 16px;
}


.demonstrations {
  float: left;
  clear: both;
  width: 100%;
  margin-bottom: 18px;
}
.demonstrations a {
  float: left;
  width: 150px;
  height: 80px;
  margin: 0 5px 5px 0;
  cursor: pointer;
}
.demonstrations a img {
  float: left;
  width: 150px;
  height: 80px;
}

.demonstrations a:last-child {
  margin-right: 0;
}

.demos {
  float: left;
  clear: both;
  width: 100%;
  margin-bottom: 17px;
}

.thumbnail {
  float: left;
  position: relative;
  margin: 0 20px 20px 0;
  padding: 0;
}
.thumbnail img {
  float: left;
  max-width: 160px;
}
.thumbnail-landscape img {
  max-height: 180px;
  max-width: 100%;
}

.thumbnail:last-child {
  margin-right: 0 !important;
}