#table-wrapper {
position:relative;
}
#table-scroll {
height:150px;
overflow:auto;
margin-top:20px;
}
#table-wrapper table {
width:100%;
}
#table-wrapper table * {
background:yellow;
color:black;
}
#table-wrapper table thead th .text {
position:absolute;
top:-20px;
z-index:2;
height:20px;
width:35%;
border:1px solid red;
}
<div id="table-wrapper">
<div id="table-scroll">
<table>
<thead>
<tr>
<th><span class="text">A</span></th>
<th><span class="text">B</span></th>
<th><span class="text">C</span></th>
</tr>
</thead>
<tbody>
<tr> <td>1, 0</td> <td>2, 0</td> <td>3, 0</td> </tr>
<tr> <td>1, 1</td> <td>2, 1</td> <td>3, 1</td> </tr>
<tr> <td>1, 2</td> <td>2, 2</td> <td>3, 2</td> </tr>
<tr> <td>1, 3</td> <td>2, 3</td> <td>3, 3</td> </tr>
<tr> <td>1, 4</td> <td>2, 4</td> <td>3, 4</td> </tr>
<tr> <td>1, 5</td> <td>2, 5</td> <td>3, 5</td> </tr>
<tr> <td>1, 6</td> <td>2, 6</td> <td>3, 6</td> </tr>
<tr> <td>1, 7</td> <td>2, 7</td> <td>3, 7</td> </tr>
<tr> <td>1, 8</td> <td>2, 8</td> <td>3, 8</td> </tr>
<tr> <td>1, 9</td> <td>2, 9</td> <td>3, 9</td> </tr>
<tr> <td>1, 10</td> <td>2, 10</td> <td>3, 10</td> </tr>
<tr> <td>1, 99</td> <td>2, 99</td> <td>3, 99</td> </tr>
</tbody>
</table>
</div>
</div>
<tbody>
残念ながらご利用いただけません。