Hello,
Try to add the next code in Theme Options > Theme custom CSS > Mobile:
.single-product .etheme-sticky-cart .cart {
display: block;
padding: 10px 0;
}
Edit page using Elementor page builder > go to Site settings > Lightbox > Image Lightbox > disable http://i.prntscr.com/LaTcdLASTPqlWt-6ejim-w.png
Regards