body {
  font-family: sans-serif;
  padding: 20px; 
  background-color: #353E54;
}
a {
  color: #eee;
  text-decoration: none;
  background-color: transparent;
}
a:hover {
  color: #eee;
  text-decoration: none;
}
.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link {
  color: #ffc107;
  background-color: #353E54;
  border-color: #353E54 #353E54 #eee;
}
.btn-nohover:hover {
  color: #eee;
  background-color: #353E54;
  text-decoration: none;
}