.nav-link:hover {
  text-decoration: underline;
}

.navbar-dark .navbar-nav .nav-link {
  color: white;
}

.navbar-dark .navbar-nav .nav-link.active,
.navbar-dark .navbar-nav .show > .nav-link {
  color: rgba(255, 255, 255, 0.55);
}

.flex-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  background-color: #212529 !important;
  border: 0px;
  padding: 0 0.75rem;
}

.d-flex {
  color: white;
}

.main-content {
  display: flex;
  flex-direction: column;
  margin: 4vh 20vw;
}

@media screen and (max-width: 1200px) {
  .main-content {
    margin: 4vh 15vw;
  }
}

.content-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  margin: 1vh 0;
}

.content-title {
  width: 40%;
  margin-right: 5px;
  text-align: center;
}

footer.content-row {
  margin: 5vh 0;
}

@media screen and (max-width: 940px) {
  .main-content {
    margin: 4vh 10vw;
  }
}

@media screen and (max-width: 817px) {
  .main-content {
    margin: 4vh 5vw;
  }
}

tbody,
td,
tfoot,
th,
thead,
tr {
  border-style: none;
}