message: Enable sysevent__message to be scrollable if msg content exceeds 150px
diff: @@ -118,7 +118,11 @@ $color-dark-border: #ddd;
  .co-sysevent__message {
  @include co-break-word;
  + margin-right: -11px; // align with edge if scrollable area is visible (sysevent_box padding + border)
  margin-top: 10px;
  + max-height: 150px;
  + overflow-y: auto;
  + padding-right: 11px;
  position: relative;
  }
  