.container-tabs{
    padding-top: 5px;
    margin-top: 5px;
    margin-left: 0px;
    padding-left: 0px;
}

.container-tabs .nav-item .nav-link.active{
  background-color: #a3a3a3;
  color: #000;
  font-size: 13px;
}

.container-tabs .nav-item .nav-link{
  color: #000;
  font-size: 13px;
}

.container-tabs .tab-pane{
  margin-left: 7px;
  padding-left: 7px;
}