Hello,
This is nothing but your site and server cache issue, I can see your site CSS is coming from the cache as showing in this screenshot: https://ibb.co/r4hxzLw so first of all please remove your server cache and then deactivate it and then remove your site cache and deactivate the cache plugins from your site and delete the cache folder under wp-content and finally check your site after removing the browser cache. I am sure it will help you in solving your issue.
OR
Try with the below given CSS Code, Copy and Paste the Code under Theme Settings >> Custom CSS.
.cart-widget-side .widget_shopping_cart .woodmart-scroll-content {
position: inherit !important;
}
Best Regards.