[TYPO3] more than one Stylesheet TS

[Lisa]

Hallo,
how can i use more than one Stylesheet?
This don't work:
page.includeCSS{
         file1 = fileadmin/templates/main/css/pv_style_div.css
         file1 {
         title = MainStyle
         media = screen,projection
         }
         file2 = fileadmin/templates/main/css/pv_style_fonts.css
         file2 {
         title = FontStyle
         media = screen,projection
         }
         file3 = fileadmin/templates/main/css/pv_style_nav.css
         file3 {
         title = NavStyle
         media = screen,projection
         }
}
only the first Style ist taken.
Please help

Lisa
-- 
Lisa Schmidt
SUSE Linux Enterprise Server 10 (x86_64), MySQL 5.0.26, PHP5, Typo3 4.1.3
Extensions: TemplaVoila