title: display: -ms-flexbox !important > crash internet explorer 10 on print preview
body: <p>I have one big trouble with ms-flexbox and print:</p>
  
  <pre><code>.main_block_class_name
    div
      display: block !important // 1 2
  .parent_for_flex_box_classname
    display: -ms-flexbox !important  // 1 3
  </code></pre>
  
  <ol>
  <li>By default all div have display as none (auto hide all at print
  media)</li>
  <li>Show all div in main block. Main block also include flexbox block</li>
  <li>Show this block as flexbox. But this construction got crash in MSHTML.dll at preview or print</li>
  </ol>
  
  <p>Any help would be apprecated :(</p>