tissue/resources/assets/sass/_bootstrap-custom.scss

.card-img-left {
    width: 100%;
    @include border-left-radius($card-inner-border-radius);
}

.card-img-right {
    width: 100%;
    @include border-right-radius($card-inner-border-radius);
}

.card-img-top-to-left {
    width: 100%;
    @include media-breakpoint-down(md) {
        @include border-top-radius($card-inner-border-radius);
    }
    @include media-breakpoint-up(lg) {
        @include border-left-radius($card-inner-border-radius);
    }
}