discourse/app/assets/stylesheets/common/admin/moderation_history.scss

.moderation-history {
  width: 100%;
  th {
    text-align: left;
  }
  td.date {
    padding-right: 1em;
  }
  td,
  th {
    padding-bottom: 0.5em;
    vertical-align: top;
  }
  .history-item-action {
    .action-details {
      margin: 1em 0;
      color: $primary-medium;
      white-space: pre-wrap;
      line-height: $line-height-small;
      width: 300px;
    }
  }

  .history-item-actor {
    a {
      display: flex;
      align-items: center;
      span {
        margin-left: 0.5em;
      }
    }
  }
}