// curved
$(document).ready(function() {
    var str = $('.curved-text').html();
    var curved = '';
    for (var i = 0, len=  str.length; i < len; i++) {
        curved += '<div><span class="char'; curved += i; curved += '">';
        curved += str[i];
        curved += '</span>';
        curved += '</div>';
    }
    $('.curved-text').html(curved);
});