Mobile browser display issue

I have a problem displaying my shopping cart in a browser on mobile devices. Below is the code:

echo $this->Html->link('<span class="glyphicon glyphicon-shopping-cart"></span> Cart <span class="badge" id="cart-counter">'.$count.'</span>', array('controller'=>'carts','action'=>'view'),array('escape'=>false));

On a desktop computer the display looks like this:

In the mobile browser it looks like this:

Anybody have any idea what's going on here? Thank you!

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