.navigation-clean-search {
  background: #fff;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  color: #333;
  border-radius: 0;
  box-shadow: none;
  border: none;
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .navigation-clean-search {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }
}

.navigation-clean-search .navbar-brand {
  font-weight: bold;
  color: inherit;
}

.navigation-clean-search .navbar-brand:hover {
  color: #222;
}

.navigation-clean-search .navbar-toggler {
  border-color: #ddd;
}

.navigation-clean-search .navbar-toggler:hover,
.navigation-clean-search .navbar-toggler:focus {
  background: none;
}

.navigation-clean-search .navbar-toggler {
  color: #888;
}

.navigation-clean-search .navbar-collapse,
.navigation-clean-search .form-inline {
  border-top-color: #ddd;
}

.navigation-clean-search .navbar-nav a.active,
.navigation-clean-search .navbar-nav > .show > a {
  background: none;
  box-shadow: none;
}

.navigation-clean-search.navbar-light .navbar-nav a.active,
.navigation-clean-search.navbar-light .navbar-nav a.active:focus,
.navigation-clean-search.navbar-light .navbar-nav a.active:hover {
  color: white;
  box-shadow: none;
  background: none;
  pointer-events: none;
}

.navigation-clean-search.navbar .navbar-nav .nav-link {
  padding-left: 18px;
  padding-right: 18px;
}

.navigation-clean-search.navbar-light .navbar-nav .nav-link {
  color: #465765;
}

.navigation-clean-search.navbar-light .navbar-nav .nav-link:focus,
.navigation-clean-search.navbar-light .navbar-nav .nav-link:hover {
  color: white !important;
  background-color: transparent;
}

.navigation-clean-search .action-button,
.navigation-clean-button .action-button:active {
  background: white;
  border-radius: 20px;
  font-size: inherit;
  color: gray;
  box-shadow: none;
  border: none;
  text-shadow: none;
  padding: 8px 20px;
  transition: background-color 0.25s;
}

.navigation-clean-search .action-button:hover,
.navigation-clean-search .action-button:focus {
  background: blue;
  color: white;
}

.navigation-clean-search .form-inline label {
  color: #ccc;
}

.navigation-clean-search .form-inline .search-field {
  background: none;
  border: none;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  color: #ccc;
  box-shadow: none;
  color: inherit;
  transition: border-bottom-color 0.3s;
}

@media (max-width: 767px) {
  .navigation-clean-search .form-inline .search-field {
    display: inline-block;
    width: 80%;
  }
}

.navigation-clean-search .form-inline .search-field:focus {
  border-bottom: 1px solid #ccc;
}

@media (min-width: 768px) {
  .navbar-brand {
    margin-right: 100px;
  }
}

@media (min-width: 992px) {
  .navbar-brand {
    margin-right: 200px;
  }
}

@media (min-width: 1200px) {
  .navbar-brand {
    margin-right: 300px;
  }
}

#search-field {
  border-radius: 10px;
  margin-left: 10px;
  width: 250px;
}

#concepts {
  margin-top: 80px;
}

.btn:not(:disabled):not(.disabled) {
  margin: 10px 5px;
  background-color: white;
  color: gray;
  border-color: #081e3f;
}

#article {
  font-size: 25px;
  font-weight: 500;
  color: rgba(0, 0, 170, 1);
}

@media (min-width: 768px) {
  .results {
    margin-right: 0px;
  }
}

@media (min-width: 992px) {
  .results {
    margin-right: 400px;
  }
}

#subtasks {
  margin-right: 8px;
  color: gray;
}

.author {
  text-decoration: underline;
}
