/* Hide the default columns */
.wp-list-table .column-date,
.wp-list-table .column-title {
    display: none;
}

/* Hide the default quick inline edit inputs */
.inline-edit-col-left:not(.inline-edit-ph),
.inline-edit-col-center:not(.inline-edit-ph),
.inline-edit-col-right:not(.inline-edit-ph) {
    display: none;
}