pre code {
  white-space: pre !important;
  overflow: auto;
}

.main-content {
  font-size: 18px;
  line-height: 1.5;
}

.post {
  margin-bottom: 20px;
}
.post-title {
  margin-bottom: 5px;
  font-size: 30px;
}
.post-meta {
  margin-bottom: 20px;
  color: #999;
}

.footer {
  border-top: 1px solid #e5e5e5;
}