.wp-block-heading.is-style-border1 {
    border-block-end: 1px solid var(--wp--preset--color--custom-cccccc-1);
    padding-block-end: 0.5rem;
}

.wp-block-post-title.is-style-slash,
.wp-block-heading.is-style-slash,
.wp-block-query-title.is-style-slash {
    &::after {
        content: '';
        display: block;
        width: 100%;
        height: 3px;
        mask-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMyIgaGVpZ2h0PSIzIiB2aWV3Qm94PSIwIDAgMyAzIiBmaWxsPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxwYXRoIGQ9Ik0yIDFIM1YySDJWMVoiIGZpbGw9IiNFM0UzRTMiLz48cGF0aCBkPSJNMSAySDJWM0gxVjJaIiBmaWxsPSIjRTNFM0UzIi8+PHBhdGggZD0iTTAgMEgxVjFIMFYwWiIgZmlsbD0iI0UzRTNFMyIvPjwvc3ZnPg==');
        mask-repeat: repeat-x;
        background-color: var(--wp--preset--color--custom-cccccc-1);
        margin-top: 0.5rem;
    }
}