给页面导航栏选中栏目添加特殊样式（页面刷新后仍有效）

[{"title":"（ 5 个子文件 3KB ） 给页面导航栏选中栏目添加特殊样式（页面刷新后仍有效）","children":[{"title":"active","children":[{"title":"links.html <span style='color:#111;'> 704B </span>","children":null,"spread":false},{"title":"style.css <span style='color:#111;'> 786B </span>","children":null,"spread":false},{"title":"index.html <span style='color:#111;'> 705B </span>","children":null,"spread":false},{"title":"comments.html <span style='color:#111;'> 707B </span>","children":null,"spread":false},{"title":"posts.html <span style='color:#111;'> 704B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]