It seems like the issue has been solved.
Thanks canadidan!
vanginger If you have further query you can ask in new thread, closing this thread now.

Best Regards!
Acme Themes

Hello Amy,

We cannot access your site.
Can you please check and let us know.

Thanks!

Hello palatares,

Thank you for suggestions.
It will requires a lot of time and effort, We will try to do in the updates.
You can customize the theme using child theme with the help of developers of can contact us for customization for urgency.

Best Regards!
Acme Themes

Hello Levon,

Can you please check on the browser console if there is any jQuery errors.
Please also check by deactivating plugins one by one.
If the problem continues, it may need us to look on your site, please contact us using contact page.

Best Regards!
Acme Themes

We are happy to know your issue solved 🙂

Hello Amy,

can you try this custom CSS:

.navbar-nav li.menu-item-has-children li.menu-item-has-children > a::after {
    color: #000;
    content: "\f107";
    font-family: FontAwesome;
    font-size: 14px;
    margin-left: 6px;
    position: absolute;
    right: 5px;
}

Best Regards!
Acme Themes

Hello Amy Du,

Please provide site url.

Thanks!

Hello compufreek,

Please never send your Password on forum!

Thanks