Site not displaying correctly when re-directing from root to sub-directory

You are redirecting the entire domain hence breaking the site, because whole website is getting redirected to a part causing a broken website.

So instead of using .htaccess just create an index.html file in your root and do a simple Meta Refresh

Or

Use this more detailed explanation to do the same using php

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)