pre code {
  padding: 0;
  font-size: inherit;
  color: inherit;
  white-space: pre-wrap;
  background-color: transparent;
  border-radius: 0;
}

.pre-scrollable {
  max-height: 340px;
  overflow-y: scroll;
}

.container {
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.container:before,
.container:after {
  display: table;
  content: " ";
}

.container:after {
  clear: both;
}