html,
body,
div {
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, "PingFang SC", Tahoma, Arial, sans-serif;
  font-size: 14px;
}
h2 {
  margin: 0;
}
ul,
ol,
li {
  list-style: none;
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
}