/* Child Custom CSS */
/* Hide author and date on single posts */
.single-post .entry-meta .posted-on,
.single-post .entry-meta .byline,
.single-post .entry-meta .author,
.single-post .entry-meta .updated {
    display: none !important;
}

/* You might need to adjust the selectors based on your theme's specific HTML structure */
/* If the above doesn't work, you'll need to inspect the elements on your site */