.nav-link {
  color: #000;
}

.nav-pills {
  margin: 5px 0px 10px 0px;
}

.card {
  margin: 10px 0px 0px 0px;
}

nav {
  border: transparent;
  margin-top: 10px;
  padding: 20px;
  border-radius: 5px;
}
.navbar-toggler {
  margin-left: 5px;
  border: transparent;
}
.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  background-color: transparent;
  color: #000;
  border-bottom: 3px solid black;
}
.navbar-toggler:focus {
  box-shadow: none;
}
.nav-pills .nav-link {
  border-radius: 0px;
}
.nav-link {
  color: #000;
}
.nav-link:hover {
  color: #000;
}