.border {
  border: 1px solid #dee2e6;
}

.border-thick {
  border-width: 3px;
}

.v-center-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 90%;
}

strong {
  color: #2a7ae2; /* Replace with your preferred color */
  font-weight: bold; /* Optional: ensure boldness stays */
}

.reveal pre code {
  margin: 0 auto;
  display: block;
  text-align: left;
}

.reveal .cell-output-display,
.reveal .cell-output-stdout,
.reveal .cell-output {
  text-align: center;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.reveal .cell-output-display img,
.reveal img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}