Multisite HOME problem and CSS/Styles problems

Ok, Hello everyone, I’m noob in this forum.

I’m working on site with multisite capabilities for my client.

I configured multisite using wordpress tutorial and I it worked fine, but I encontered some problems.

HOME PROBLEM

If you can see the page, i.e. especifically this URL: http://www.eniac.com.ar/paris/tours-de-paris/

this is HOME of one folder subsite, but if you will go to Contact section for example: http://www.eniac.com.ar/paris/contact-skip-the-line-babylon/

you will see breadcrumb “Home / Contact” and if you’ll link Home will go to: http://www.eniac.com.ar/paris/

but this is not HOME of this subsite.

My multisite configuration for subsite is: http://www.eniac.com.ar/capturas/image00.JPG

and especifically for one of them: http://www.eniac.com.ar/capturas/image01.JPG

and: http://www.eniac.com.ar/capturas/image02.JPG

What’s is rong with my configuration?

CSS/STYLES PROBLEMS

The other problem is with CSS and Styles of subsites, randomly this site changes all styles, colors, fonts, but not ever only randomly when update page with F5 key or when navigates between landing page and subsites.

For example, the correct format, look like this: http://www.eniac.com.ar/capturas/image03.JPG

incorrect format: http://www.eniac.com.ar/capturas/image04.JPG

This last one has change, in this case only text color, but eventually changes text style too.

This problem was made once in at least 20th F5 updates and no more at this time.

Finally this is my multisite configurations in wp-config.php and .httacces:

define('MULTISITE', true);
define('SUBDOMAIN_INSTALL', false);
define('DOMAIN_CURRENT_SITE', 'www.eniac.com.ar');
define('PATH_CURRENT_SITE', '/');
define('SITE_ID_CURRENT_SITE', 1);
define('BLOG_ID_CURRENT_SITE', 1);

RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]

# add a trailing slash to /wp-admin
RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L]
RewriteRule . index.php [L]

Thanks in advance and sorry everyone for my english…