in source/assets/javascript/init.js [32:44]
function singleLetters($words) {
$words.each(function(){
var word = $(this),
letters = word.text().split(''),
selected = word.hasClass('is-visible');
for (i in letters) {
if(word.parents('.rotate-2').length > 0) letters[i] = '<em>' + letters[i] + '</em>';
letters[i] = (selected) ? '<i class="in">' + letters[i] + '</i>': '<i>' + letters[i] + '</i>';
}
var newLetters = letters.join('');
word.html(newLetters).css('opacity', 1);
});
}