HTML
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<body style="background: #445566;">
<table style="border-collapse: collapse; border: 1px solid white; margin-top: 3%; margin-right: auto; margin-left: auto; ">
<tr style="background-color: #ee3333; border: 1px solid white; color: white; " >
<th colspan="7" style="text-align: center;border: 1px solid white; width: 266px; height: 50px; " >МАЙ</th>
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<tr style="border: 1px solid white; width: 38px; height: 38px; text-align: center;">
<td style="border: 1px solid #eeeeee; color: #787878; width: 38px; height: 30px; background-color: white;">30</td>
<td style="border: 1px solid white; background-color: #eeeeee;">1</td>
<td style="border: 1px solid white;background-color: #eeeeee;">2</td>
<td style="border: 1px solid white;background-color: #eeeeee;">3</td>
<td style="border: 1px solid white;background-color: #eeeeee;">4</td>
<td style="border: 1px solid white; background-color: #787878;color: white;">5</td>
<td style="border: 1px solid white; background-color: #787878;color: white;"> 6</td>
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<tr style="border: 1px solid white; width: 38px; height: 38px; text-align: center;">
<td style="border: 1px solid white;background-color: #eeeeee;">7</td>
<td style="border: 1px solid white;background-color: #eeeeee;">8</td>
<td style="border: 1px solid white;background-color: #ee3333; color: white;">9</td>
<td style="border: 1px solid white;background-color: #eeeeee;">10</td>
<td style="border: 1px solid white;background-color: #eeeeee;">11</td>
<td style="border: 1px solid white;background-color: #787878;color: white;">12</td>
<td style="border: 1px solid white;background-color: #787878;color: white;"> 13</td>
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<tr style="border: 1px solid white; width: 38px; height: 38px; text-align: center;">
<td style="border: 1px solid white; background-color: #eeeeee;">14</td>
<td style="border: 1px solid white; background-color: #eeeeee;">15</td>
<td style="border: 1px solid white; background-color: #eeeeee;">16</td>
<td style="border: 1px solid white; background-color: #eeeeee;">17</td>
<td style="border: 1px solid white; background-color: #eeeeee;">18</td>
<td style="border: 1px solid white; background-color: #787878;color: white;">19</td>
<td style="border: 1px solid white; background-color: #787878;color: white;"> 20</td>
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<tr style="border: 1px solid white; width: 38px; height: 38px; text-align: center;">
<td style="border: 1px solid white; background-color: #eeeeee;">21</td>
<td style="border: 1px solid white; background-color: #eeeeee;">22</td>
<td style="border: 1px solid white; background-color: #eeeeee;">23</td>
<td style="border: 1px solid white; background-color: #eeeeee;">24</td>
<td style="border: 1px solid white; background-color: #eeeeee;">25</td>
<td style="border: 1px solid white; background-color: #787878; color: white;">26</td>
<td style="border: 1px solid white; background-color: #787878;color: white;"> 27</td>
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<tr style="border: 1px solid white; width: 38px; height: 38px; text-align: center;">
<td style="border: 1px solid white; background-color: #eeeeee;">28</td>
<td style="border: 1px solid white; background-color: #eeeeee;">29</td>
<td style="border: 1px solid white; background-color: #eeeeee;">30</td>
<td style="border: 1px solid white; background-color: #eeeeee;">31</td>
<td style="border: 1px solid #eeeeee;color: #787878; background-color: #ffffff;">1</td>
<td style="border: 1px solid #eeeeee;color: #787878; background-color: #ffffff;">2</td>
<td style="border: 1px solid #eeeeee;color: #787878; background-color: #ffffff;"> 3</td>
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