.blogpost-body img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}
.blogpost-body:after {
  content: "";
  display: block;
  /* background-image: url("https://img2023.cnblogs.com/blog/1955160/202305/1955160-20230505113115587-1370082956.jpg"); */
  background-size: 100% 100%;
  background-position: center center;
  width: 360px;
  height: 400px;
  margin-bottom: 20px;
}