<form class="form-inline" method="post" id='<?= $lista['CODIGO_AMBIENTE'] ?>' name="frmCadastro">
                <div class="form-group">
                  <input class="form-control form-control-sm" type="text" name="txtNome" value="<?= $lista['AMBIENTE_NOME'] ?>" autocomplete="off" required>
                  <div style="padding: 0 .5rem">
                    <input type="submit" name=<?= $lista['AMBIENTE_CODIGO'] ?> value="Atualizar" class="btn btn-sm btn-success">
                  </div>
                  <input type="submit" name=<?= $lista['AMBIENTE_NOME'] ?> value="Remover" class="btn btn-sm btn-danger">
                </div>
              </form>