.bp-messages-wrap-main .empty,
.bp-messages-wrap-main .new-message,
.bp-messages-wrap-main .bm-reply,
.bp-messages-wrap-main .actions, 
.bp-messages-wrap-main div[aria-label="Delete conversation"],
.bp-messages-wrap-main div[aria-label="Add new participants to current conversation"],
.bp-messages-wrap-main .bpbm-invite-conversation,
.bp-messages-wrap-main .bpbm-delete-conversation,
body .bp-messages-wrap-main a[aria-label="New Conversation"] {
    display: none;
}

.bp-messages-wrap-main .thread-info,
.bp-messages-wrap-main .expandingButtons {
    pointer-events: none;
}