.post:has(.custom_tag_sm) .post-author {
    display: none;
}

.custom_tag_sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
    background: var(--color-light4);
    border-radius: 12px;
    padding: 12px 0;
    width: 390px;
    margin: auto;
}