<p dir="auto">For instance elements with <code class="notranslate">class="visible-xs visible-sm"</code> are never visible (neither in <code class="notranslate">xs</code> or <code class="notranslate">sm</code> viewports).  Attached is the screenshot from the official Bootstrap page in a small viewport; please note that boxes for xs/sm are not displayed either as visible or invisible.<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/c79d4d732dc32ba0c98fd9c14668765345d199322b7357f6c8dd8c68c4e325ab/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f3234333034382f323035393139322f65303635386630652d386239632d313165332d393538342d6434323465356531633665642e706e67"><img src="https://camo.githubusercontent.com/c79d4d732dc32ba0c98fd9c14668765345d199322b7357f6c8dd8c68c4e325ab/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f3234333034382f323035393139322f65303635386630652d386239632d313165332d393538342d6434323465356531633665642e706e67" alt="css bootstrap clipular" data-canonical-src="https://f.cloud.github.com/assets/243048/2059192/e0658f0e-8b9c-11e3-9584-d424e5e1c6ed.png" style="max-width: 100%;"></a></p>
<p dir="auto"><a href="https://dl.dropboxusercontent.com/u/37682778/error/index.html" rel="nofollow">https://dl.dropboxusercontent.com/u/37682778/error/index.html</a></p>