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                <table class="sample-table">
      <td>代表取締役 ○○ ○○○</td>


                /* テーブル */
table.sample-table {
  /* 中央揃え + 上下20pxのマージン */
  margin: 20px auto;
  /* テーブルの幅 */
  width: 500px;
  /* 境界なし */
  border-collapse: collapse;

/* テーブルの見出し */
table.sample-table th {
  /* 中央揃え */
  text-align: center;
  /* 太字 */
  font-weight: bold;

/* テーブルの見出しとセル */
table.sample-table th,
table.sample-table td {
  /* ボーダー(上) */
  border-top: 1px solid;
  /* パディング(上下左右) */
  padding: 15px;

/* テーブルの最後の見出しとセル */
table.sample-table tr th:last-of-type,
table.sample-table tr td:last-of-type {
  /* ボーダー(下) */
  border-bottom: 1px solid;

/* ホバー状態 */
table.sample-table tr:hover {
  /* 背景色を薄いグレー */
  background-color: #F2F2F2;