theme 220 script part

<!-- masonry navigation -->
<script src="https://static.tumblr.com/0siu224/Ljlqmh1nv/masonry.pkgd.min.js"></script>

<script type="text/javascript">
// masonry navigation
var elements = document.getElementsByClassName('masonry-navigation');
var msnry;
var nElements = elements.length;
for(var i = 0; i < nElements; i++){
    msnry = new Masonry( elements[i], {
//    columnWidth: 268,
    gutter: 10,
    itemSelector: '.masonry-navigation-item',
    });
}
</script>