<table>
  <thead>
    <tr>
      <th colspan="3">Atividades do projeto</th>
    </tr>
    <tr>
      <th>#</th>
      <th colspan="2">Atividade</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>1</td>
      <td>Atualizar página da equipe</td>
      <td>
        <i class="material-icons button edit">edit</i>
        <i class="material-icons button delete">delete</i>
      </td>
    </tr>
    <tr>
      <td>2</td>
      <td>Design da nova marca</td>
      <td>
        <i class="material-icons button edit">edit</i>
        <i class="material-icons button delete">delete</i>
      </td>
    </tr>
    <tr>
      <td>3</td>
      <td>Encontrar desenvolvedor front-end</td>
      <td>
        <i class="material-icons button edit">edit</i>
        <i class="material-icons button delete">delete</i>
      </td>
    </tr>
  </tbody>
</table>

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #333;
}

table {
  text-align: left;
  line-height: 40px;
  border-collapse: separate;
  border-spacing: 0;
  border: 2px solid #ed1c40;
  width: 500px;
  margin: 50px auto;
  border-radius: .25rem;
}

thead tr:first-child {
  background: #ed1c40;
  color: #fff;
  border: none;
}

th:first-child,
td:first-child {
  padding: 0 15px 0 20px;
}

th {
  font-weight: 500;
}

thead tr:last-child th {
  border-bottom: 3px solid #ddd;
}

tbody tr:hover {
  background-color: #f2f2f2;
  cursor: default;
}

tbody tr:last-child td {
  border: none;
}

tbody td {
  border-bottom: 1px solid #ddd;
}

td:last-child {
  text-align: right;
  padding-right: 10px;
}

.button {
  color: #aaa;
  cursor: pointer;
  vertical-align: middle;
  margin-top: -4px;
}

.edit:hover {
  color: #0a79df;
}

.delete:hover {
  color: #dc2a2a;
}