$('.btn-customized').on('click', function(){
if( ! $(this).hasClass('paused') ) {
$('.carousel').carousel('pause');
$('.btn-customized').toggleClass('paused');
$('.btn-customized i').removeClass('fa-pause').addClass('fa-play');
$(this).blur();
}
else {
$('.carousel').carousel('cycle');
$('.btn-customized').toggleClass('paused');
$('.btn-customized i').removeClass('fa-play').addClass('fa-pause');
$(this).blur();
}
});