.nav-tabs {
  border-bottom: none !important;
}

#tabs .nav-tabs .nav-item.show .nav-link, .nav-tabs .nav-link.active {
  color: #70797B;
  background-color: #70797B !important;
  border-color: transparent transparent #f3f3f3;
}
#tabs .nav-tabs .nav-link {
  border: 1px solid transparent;
 
  font-size: 20px;
  background-color: #70797B;
 
  color: #070808;
}

.nav-item {
  border-radius: 0 !important;
}

.nav-item:last-child {
  border-top-right-radius: .5rem !important;
  border-bottom-right-radius: .5rem !important;
}

.nav-item:first-child {
  border-top-left-radius: .5rem !important;
  border-bottom-left-radius: .5rem !important;
}

.nav-tabs .nav-link.active{
 background-color: #F4F4F4 !important; 
}