p {
font-family:"微软雅黑","宋体",Arial;
text-indent: 1em;
}
 
.postTitle {
  font-size:20px;
  font-style:bold;
}

#header {
  font-size:22px;
  font-family:"微软雅黑",Arial;
  margin-left:20px;

}

pre {
width:80%;
margin:20px;}