add the following to your css ( will be in next version! )
.admin-bar #page{
margin-top: 28px;
}

As WordPress reaches 3.1 beta1 Its time to update themes/plugins again!

I have already updated JustCSS to 0.9 available here plugins are soon to follow!
Changes include:
* Merged toolbox into theme.
* Added example filter in `functions.php`.
* Hook `jcss_header_before_nav` added.
* Hook `jcss_header_after_nav` added.
* Hook `jcss_loop_start` added.
* Hook `jcss_loop_end` added.
* Hook `jcss_page_before_content` added.
* Hook `jcss_page_after_content` added.
* Updated jscolor.
Already 3.1 safe are theme-check, debogger and fixpress.