move left product gallery on product page

Question

How to move the slider to the left of the main picture?

Answer 1

You can follow this link

magento 2.2.2 - How to transfer the product thumbnail to the left side

Modify your theme view.xml file

    <vars module="Magento_Catalog">
      <var name="gallery">
        <var name="navdir">vertical</var> <!-- Sliding direction of thumbnails (horizontal/vertical) -->   
     </var>        
</vars>

also this your css file

.product.media .gallery-placeholder .fotorama__stage{ left: 0 !important; }
.product.media .gallery-placeholder .fotorama__nav-wrap--vertical.fotorama__nav-wrap{ right: 0; text-align: right;}
.product.media .gallery-placeholder .fotorama__nav--thumbs{float: right;}

Answer 2

you can easily do it by css, Please add this following css in your existing css file:

.fotorama__stage__shaft.fotorama__grab {
    margin-left: -120px !important;
}