To round corners of Gallery Grid, like this.
You can use this code to Custom CSS
If code doesn’t work, you can comment below, message or send me an email.
figure.gallery-grid-item img {
border-top-left-radius: 30px;
border-top-right-radius: 30px;
border-bottom-left-radius: 30px;
border-bottom-right-radius: 30px;
}