Can you check if the following code change fixes the issue?
Pls change the file js/slider.js at line number 56 from
jQuery(window).load(function () {
// Wait till all images have loaded before unwrapping
setTimeout(function () {
jQuery('.flex-slider-container, #nivo-slider, .carousel-wrap').removeClass('loading');
}, 400);
});
to
jQuery(window).load(function () {
// Wait till all images have loaded before unwrapping
jQuery('.flex-slider-container, #nivo-slider, .carousel-wrap').removeClass('loading');
});
I am thinking that having that timeout is a bad idea (since images would have been loaded already when we hit window load function) and removing the same might resolve this for you.