#header-strip,
#footer {
    display: none;
}

.single-post .wp-block-group:has(> .wp-block-post-featured-image),
.single-post .wp-block-post-featured-image {
    display: none;
}

.single-post .wp-block-group:has(> .wp-block-outermost-social-sharing) {
    display: none;
}

.single-post #related {
    display: none;
}