body {
  font: 15px "Microsoft YaHei", Arial, Helvetica, sans-serif;
  color: #333;
  background: #E9EAED;
  line-height: 1.5;
  overflow-x: hidden;
}
.blog_content {
  width: 1200px;
  margin: 20px auto;
  background: white;
  padding: 20px;
  min-height: 500px;
}