css 跳转/锚点链接样式菜单的CSS解决方案，带有固定标题，导致跳转到页面上的错误位置。

Posted 2021-05-13

h2:before { 
  display: block; 
  content: " "; 
  margin-top: -70px; /*adjust based on fixed header size*/
  height: 70px;  /*adjust based on fixed header size*/
  visibility: hidden; 
}