I’ve got centered container with fixed width, inside it I have an element that must be full width of browser.
<div style="width: 960px; margin: 0 auto;">
...content...
<div style="width 100% ??;"></div>
...content...
</div>
My question is, is there any way to make it work without wrapping just top and bottom part of content?
Thank you.

As long as the container is statically positioned, you can use
position: absolute:Note that you don’t need to set the
topat all, nor does the top part need to have a static height.