/* 1. Hide the Submitted date */
.item.submitted, 
.item.date-submitted,
.sub_item.submitted {
    display: none !important;
}

/* 2. Hide the Accepted date */
.item.accepted, 
.item.date-accepted,
.sub_item.accepted {
    display: none !important;
}

/* 3. FORCE the Published date to stay visible */
.item.published, 
.item.date-published, 
.sub_item.published {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}