Random responsive scale & text sizing functionality for Masonry

$newElems.css({
left: $container.width() / 2,
top: $container.height(),
})
$.each($('div#narr'), function (index, obj) {
$(this).css({
'width' : Math.floor((Math.random() * (50-15+1)) + 15) + '%'
});
$.each($('div#narr p'), function (index, obj) {
$(this).css({
'font-size' : Math.floor((Math.random() * (5.6-4+1)) + 4) + 'em'
});