Hi,
Here is an expanded version of @creedon's message that fixes images in blogs too.
// This adds a radius to most of the images
.products .grid-image-wrapper,
.image-block-wrapper,
.ProductItem-gallery-slides-item.selected,
.sqs-gallery-design-grid-slide .image-slide-anchor
.image-overlay { border-radius: 12px; }
// This adds a radius to the images when under a colored field
img {
border-radius: 12px;
}
// This adds a radius to the BLOB/article images
a {
border-radius: 12px
}