Hello,
To disable these arrows http://prntscr.com/j5u3ek
.single-product .swiper-control-bottom .swiper-custom-left, .single-product .swiper-control-bottom .swiper-custom-right { display: none !important; }
add code in Theme Options > Styling > Custom css. To change this hover effect https://gyazo.com/bc7979b2deb7a2629260615860c25c9b go to Theme Options > E-commerce > Products Page Layout > Image hover effect.
Regards
