-@media screen and (min-width: @minscreen)
+@media (min-width: @minscreen)
{
@import 'screen/typo.less';
@import 'screen/layout.less';
@import 'screen/head.less';
@import 'screen/navigation.less';
+ @import 'screen/navigation-submenu.less';
@import 'screen/marginal.less';
@import 'screen/footer.less';
+ @import 'screen/footer-sticky.less';
}