Unless you add an image to your Elementor website using a widget that allows for adjusting the border radius of said image, you’ll need to apply the rounded corners using CSS.
Making things a bit trickier yet, images with captions will automatically have a white border added to them and be assigned a unique class in WordPress (‘.wp-caption’).
This will be a code snippet that evolves as client requests come in, so let’s start with styling those images with captions.
Images With Captions
.wp-caption {
border-radius: 12px;
}