This must be cache issue at your local ends or at your internet service provider.
Try this simple step... check the site on your mobile without office WIFI.. will mobile internet provider.
Do you see old site or new site?
Install Traditional Subtheme
mkdir -p /usr/local/directadmin/data/users/admin/skin_customizations/evolution/themes
wget -O traditional.tar.gz https://demo.directadmin.com/download/traditional.tar.gz
NOTICE: Our WHMCS Addons are discontinued and not supported anymore.
Most of the addons are now released for free in github - https://github.com/jetserver
You can download them from GitHub and conribute your changes ! :)