edit css

themes/contrib/estore/css/styles.css

@@ -12071,12 +12071,28 @@ article.commerce-product.full .product-right  {
     bottom: 11px;
     left: 66px;
 }
-
+*{
+  z-index: 0
+}
+.product-left .field--name-field-images .field--item:nth-child(1) img{
+  width: 100% !important;
+  float: none !important;
+  display: block !important;
+  margin-top: 0 !important;
+}
+.product-left .field--name-field-images .field--item:nth-child(n) img{
+  width: 32%;
+  margin-top: 20px;
+  display: inline;
+  float: left;
+  margin-right: 6px;
+}
 .region-sidebar-second article.commerce-product.teaser-micro a img {
     /* float: right; */
     /* width: 32px; */
     width: 70px;
     height: 67px;
+    max-width: 60px;
     object-fit: cover;
     /* margin-right: 20px; */
 }