CSS class 'unresolved' not available for unresolved links

Summary

The CSS class 'unresolved' is no more present for unresolved links in the Confluence .

In version for example Confluence 5.4 or 5.6 the class is available

Steps to Reproduce

1. Login to Confluence as Admin
2. Add a user eg: test
3. Create a Page and add restrictions to the page for viewing only to Admin user.
4. Copy the link of this page on Clipboard
5. Login as test user
6. Create a new Page and paste the link which was copied earlier.
7. Save the Page
8. Right click on the link and Click on Inspect element .

Expected Results

The link is set as unresolved and contain a CSS class in the source as below
<a class="unresolved" href="#">test Home</a>

Actual Results

The link has no class as 'unresolved'
<a href="http://localhost:8090/display/TEST/test+Home" rel="nofollow">http://localhost:8090/display/TEST/test+Home</a>

Notes

Users need this class for customization purpose and the class is now not available .
EG: make the link colour as RED