<div class="vDivider"></div>
<div class="messages">
  <h3>Messages</h3>
  {{ memory_message }}
  {{ trial_progress_messages }}
  {{ trial_errors }}
</div>
<style>
.messages {
  color: var(--jp-ui-font-color1);
  display: flex;
  flex-direction: column;
  padding-left: 1em;
  overflow-y: auto;
}
.messages h3 {
  font-weight: bold;
}
.vDivider {
  border-left-width: var(--jp-border-width);
  border-left-color: var(--jp-border-color0);
  border-left-style: solid;
  margin: 0.5em 1em 0.5em 1em;
}
</style>