Odpowiedź :
<style type="text/css">
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}
.tg .tg-9wq8{border-color:inherit;text-align:center;vertical-align:middle}
</style>
<table class="tg" style="undefined;table-layout: fixed; width: 315px">
<colgroup>
<col style="width: 64.2px">
<col style="width: 76.2px">
<col style="width: 174.2px">
</colgroup>
<thead>
<tr>
<th class="tg-9wq8">Państwo</th>
<th class="tg-9wq8">Miasto</th>
<th class="tg-9wq8">Zabytek</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tg-9wq8" rowspan="2">Polska</td>
<td class="tg-9wq8">Kraków</td>
<td class="tg-9wq8">Wawel<br>Sukiennice<br></td>
</tr>
<tr>
<td class="tg-9wq8">Warszawa</td>
<td class="tg-9wq8">Zamek Królewski<br>Kolumna Zygmunta<br></td>
</tr>
<tr>
<td class="tg-9wq8" rowspan="2">Italia</td>
<td class="tg-9wq8">Rzym</td>
<td class="tg-9wq8">Koloseum</td>
</tr>
<tr>
<td class="tg-9wq8">Wecencja</td>
<td class="tg-9wq8">Campenile</td>
</tr>
</tbody>
</table>