.wp-core-heading {
    .is-style-small {
        @include media-breakpoint-up(md) {
            display: block;
            margin: 0 auto;
            max-width: 500px;
        }
    }

    .is-style-medium {
        @include media-breakpoint-up(md) {
            display: block;
            margin: 0 auto;
            max-width: 800px;
        }
    }
}
