Social Tabs Still Disappears after changing z-index

I've changed the z-index number a zillion times, and still the tabs disappear.

Hi Asha.
Thank you for using our product.
I fixed it for you. Please check and feedback to me again,

I just checked in Firefox, and it's the same.

I checked again and it works, thank you.

Hi.
Thanks your feedback to me again
1.I did it the below:
Please go to ..modules/mod_jux_social_tabs/assets/css/dcsmt.css án add fist line below:
#dcsmt-1{
z-index:999999!important;
}
2. can you help me. write a review and vote 100 point for each section for my product on JED:
extensions.joomla.org/extension/jux-social-tabs
Thank you so much for your review.