Highlight anchor tag with hash when hovering over heading

[bennycode]

The Landscape theme supports named anchors like this one:

• https://hexojs.github.io/hexo-theme-landscape/2013/12/25/tag-plugins/#With-caption-and-URL

Unfortunately, it is not visible from the design that the heading "With caption and URL" is linked with #With-caption-and-URL. It would be great if you can see that when hovering over the heading (like in Markdown README files from GitHub).

My proposal is to change this:

Into this when hovering the title: