5.2.1 #permalink Prevent display

Toggle example guides Toggle HTML markup

To use an input that has browser-defined display, such as one with type=button or type=submit, but keep the semantic behavior, apply this class and style away!

Example
Markup 
 <div class="grid-2 grid-parent col_ggPrimary1Dark layout_center layout_centerVertical layout_rel box_verticalPadded2">
  <a href="javascript:void(0);" class="js-headerSearch-show"><span class="link_linkify"></span></a>
  <input type="submit" class="grid-12 input_preventDisplay layout_inlineBlock sprite sprite_searchWhite layout_centerVertical text_fontSizeZero input_pointer"/>
 </div>
Source: modules/05_user_interface/forms.less, line 18