2.4 #permalink Print styles
Make things only show up when printed, or not show up when printed
Example
Will only show in print; not on a screen
Will only show on screens; not in print
Markup
<div class="print_only">Will only show in print; not on a screen</div>
<div class="print_noPrint">Will only show on screens; not in print</div>
Source:
base/print.less, line 1