<div class="comparison">
<table>
<tbody>
<tr>
<th></th>
<th>Euroline</th>
<th>Softline 70</th>
<th>WHS 60</th>
<th>WHS 72</th>
</tr>
<tr>
<td>Класс энергоэффективности</td>
<td>A</td>
<td>A+</td>
<td>A</td>
<td>A+</td>
</tr>
<tr>
<td>Сопротивление теплопередаче, м<sup>2</sup> C/Вт</td>
<td>0,64</td>
<td>0,78</td>
<td>0,66</td>
<td>0,77</td>
</tr>
<tr>
<td>Количество камер (рама–створка)</td>
<td>3/3</td>
<td>5/5</td>
<td>4/4</td>
<td>5/5</td>
</tr>
<tr>
<td>Монтажная ширина, мм</td>
<td>58</td>
<td>70</td>
<td>60</td>
<td>72</td>
</tr>
<tr>
<td>Количество контуров уплотнения</td>
<td>2</td>
<td>2</td>
<td>2</td>
<td>2</td>
</tr>
</tbody>
</table>
</div>
.comparison {
    margin: 100px 0;
}
.comparison table th {
    font-size: 28px;
    font-family: "Roboto";
    color: rgb(58, 58, 58);
    line-height: 1.786;
    text-align: center;
  font-weight: bold;
  padding: 15px 25px;
}
.comparison table tr:nth-child(n+2) td:nth-child(n+2) {
    font-size: 22px;
    font-family: "Roboto";
    color: rgb(58, 58, 58);
    line-height: 4.591;
    text-align: center;
  font-weight: bold;
}
.comparison table tr:nth-child(n+2) td:first-child {
  font-size: 16px;
  font-family: "Roboto";
  color: rgb(58, 58, 58);
  line-height: 6.313;
  text-align: left;
  padding-left: 30px;
}
.comparison table tr:nth-child(even) {
  background: rgb(221, 221, 221);
}
.comparison table {
    width: 100%;
}
.comparison table th,
.comparison table td,
.comparison table {
  position: relative;
}
.comparison .param {
    max-height: 593px;
}
.comparison td:nth-child(n+2):hover::after,
.comparison th:nth-child(n+2):hover::after {
  content: "";
  position: absolute;
  border: 3px solid rgb(186, 224, 217);
  left: 0;
  top: -5000px;
  height: 10000px;
  width: 100%;
  z-index: 0;
}
.comparison th:nth-child(n+2):hover::before {
  content: "";
  background: rgb(186, 224, 217);
  position:absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  z-index: -1;
}

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