<table>
<thead>
<tr>
<th>Dia</th>
<th>Horário</th>
</tr>
</thead>
<tbody>
<tr>
<td>Segunda</td>
<td>8h ~ 20h</td>
</tr>
<tr>
<td>Quarta</td>
<td>8h ~ 20h</td>
</tr>
<tr>
<td>Sexta</td>
<td>8h ~ 20h</td>
</tr>
</tbody>
</table>
</main>
CSS:
table {
margin: 20px, 0 4px;
}
thead {
background: rgb(150,150,150);
color: rgb(255,255,255);
font-weight: bold;
}
th, td {
border: 1px solid rgb(0,0,0);
padding: 50px, 10px;
}