вёрстка таблиц

<table border="1">
<tr>
<td width="50">1</td>
<td width="50">2</td>
<td width="50">3</td>
<td width="50">4</td>
<td width="50">5</td>
<td width="50">6</td>
<td width="50">7</td>
<td width="50">8</td>
<td width="50">9</td>
<td width="50">10</td>
<td width="50">11</td>
<td width="50">12</td>
<td width="50">13</td>
<td width="50">14</td>
<td width="50">15</td>
<td width="50">16</td>
<td width="50">17</td>
<td width="50">18</td>
<td width="50">19</td>
<td width="50">20</td>
<td width="50">21</td>
<td width="50">22</td>
<td width="50">23</td>
<td width="50">24</td>
<td width="50">25</td>
<td width="50">26</td>
<td width="50">27</td>
<td width="50">28</td>
<td width="50">29</td>
<td width="50">30</td>
</tr>
</table>

<table border="1">
<tr>
<td><div>1</div></td>
<td><div>2</div></td>
<td><div>3</div></td>
<td><div>4</div></td>
<td><div>5</div></td>
<td><div>6</div></td>
<td><div>7</div></td>
<td><div>8</div></td>
<td><div>9</div></td>
<td><div>10</div></td>
<td><div>11</div></td>
<td><div>12</div></td>
<td><div>13</div></td>
<td><div>14</div></td>
<td><div>15</div></td>
<td><div>16</div></td>
<td><div>17</div></td>
<td><div>18</div></td>
<td><div>19</div></td>
<td><div>20</div></td>
<td><div>21</div></td>
<td><div>22</div></td>
<td><div>23</div></td>
<td><div>24</div></td>
<td><div>25</div></td>
<td><div>26</div></td>
<td><div>27</div></td>
<td><div>28</div></td>
<td><div>29</div></td>
<td><div>30</div></td>
</tr>
</table>