<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery.isotope/2.2.0/isotope.pkgd.js"></script>
<link rel="stylesheet" href="http://timbusken.com/css/dropdown-enhancement.css">
<script src="http://timbusken.com/js/dropdown-enhancement.js"></script>
<div class="container">
<div class="row">
<h1>Isotope - filtering & sorting</h1>
<h2>Filter</h2>
<div id="filters" class="button-group"> <button class="button is-checked" data-filter="*">show all</button>
<button class="button" data-filter=".metal">metal</button>
<button class="button" data-filter=".transition">transition</button>
<button class="button" data-filter=".alkali, .alkaline-earth">alkali and alkaline-earth</button>
<button class="button" data-filter=":not(.transition)">not transition</button>
<button class="button" data-filter=".metal:not(.transition)">metal but not transition</button>
<button class="button" data-filter="numberGreaterThan50">number > 50</button>
<button class="button" data-filter="ium">name ends with –ium</button>
</div>
<h2>Sort</h2>
<div id="sorts" class="button-group"> <button class="button is-checked" data-sort-by="original-order">original order</button>
<button class="button" data-sort-by="name">name</button>
<button class="button" data-sort-by="symbol">symbol</button>
<button class="button" data-sort-by="number">number</button>
<button class="button" data-sort-by="weight">weight</button>
<button class="button" data-sort-by="category">category</button>
</div>
<div class="isotope">
<div class="element-item transition metal " data-category="transition">
<h3 class="name">Mercury</h3>