Hi Marwan,
Thank you for reaching out to us. Please check for the following first:
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Ensure everything is up to date according to our version compatibility list at https://theme.co/apex/forum/t/troubleshooting-version-compatibility/195. Please follow the best practices when updating your theme and plugins. See https://theme.co/apex/forum/t/setup-updating-your-themes-and-plugins/62 for more details.
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If you’re using a caching plugin, clear all caches including browser cache then deactivate your caching plugin and other optimization plugins.
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I see you’re using a Cloudflare, please clear the CDN’s cache and disable optimization services.
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Test for a plugin conflict. You can do this by deactivating all third party plugins, and seeing if the problem remains. If it’s fixed, you’ll know a plugin caused the problem, and you can narrow down which one by reactivating them one at a time.
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Remove custom CSS, JavaScript and deactivate your child theme and switch to parent theme (take a complete backup first).
If nothing works then try adding the following code in the Theme Options > CSS:
.slick-list, .slick-track, .slick-slide, .slick-slide img {
-webkit-transform: translate3d(0, 0, 0) !important;
transform: translate3d(0, 0, 0) !important;
}
Let us know how this goes!