RewriteEngine On

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^home index.php [NC,L]
RewriteRule ^about about.php [NC,L]
RewriteRule ^services services.php [NC,L]
RewriteRule ^privacy privacy.php [NC,L]
RewriteRule ^invest invest.php [NC,L]
RewriteRule ^authentication authentication.php [NC,L]
RewriteRule ^login login.php [NC,L]
RewriteRule ^auth-admin auth-admin.php [NC,L]