.customer-inbox-panel {
  border-color: rgba(59, 130, 246, .24);
  background: linear-gradient(135deg, rgba(59, 130, 246, .055), rgba(139, 92, 246, .035) 55%, #fff);
}

.customer-inbox-panel .mailbox-state.on {
  background: #e8f8ef;
  color: #147747;
}

.mailbox-panel + .mailbox-panel {
  margin-top: 18px;
}

@media (max-width: 720px) {
  .mailbox-actions {
    width: 100%;
  }
}