body {
  padding-top: 60px;
}

*[id]:before { 
  display: block; 
  content: " "; 
  margin-top: -75px; 
  height: 75px; 
  visibility: hidden; 
}

.kaiti {
  font-family: "KaiTi", "楷体", "STKaiti", "华文楷体", "UKai";
}

.copyright {
  text-align: center;
  font-size: small;
}