main {
    height: 100vh;
    height: -webkit-fill-available;
    max-height: 100vh;
    overflow-x: auto;
    overflow-y: hidden;
  }

.b-example-divider {
    width: 100%;
    height: 3rem;
    background-color: rgba(0, 0, 0, .1);
    border: solid rgba(0, 0, 0, .15);
    border-width: 1px 0;
    box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.dropdown-toggle { outline: 0; }

.btn-toggle {
  padding: .25rem .5rem;
  font-weight: 600;
  color: var(--bs-emphasis-color);
  background-color: transparent;
}

.btn-toggle:hover,
.btn-toggle:focus {
  color: rgba(var(--bs-emphasis-color-rgb), .85);
  background-color: var(--bs-secondary);
}

.btn-toggle::before {
  width: 1.25em;
  line-height: 0;
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%28255,255,255,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
  transition: transform .35s ease;
  transform-origin: .5em 50%;
}

[data-bs-theme="light"] .btn-toggle::before {
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%28255,255,255,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
}

.btn-toggle[aria-expanded="true"] {
  color: rgba(var(--bs-emphasis-color-rgb), .85);
}
.btn-toggle[aria-expanded="true"]::before {
  transform: rotate(90deg);
}

.btn-toggle-nav a {
  padding: .1875rem .5rem;
  margin-top: .125rem;
  margin-left: 1.25rem;
}
.btn-toggle-nav a:hover,
.btn-toggle-nav a:focus {
  background-color: var(--bs-secondary);
}

.scrollarea {
  overflow-y: auto;
}


/* Add-on styling for the navigational menu */
.side-bar{
  width: 280px;
}

.background-image-projects{
  background-size: cover;
}

/* For mobile */
@media (max-width: 768px) {

  .side-bar{
      display: none;
  }

  .nav-bar-large{
    display: none;
  }

  .side-bar-logo{
    width: 200px;
  }
}

/* For PC */
@media (min-width: 768px) {

  .nav-bar-small{
    display: none;
  }

  .side-bar-logo{
    width: 280px;
  }
}

/* Add-on styling for Project items */

/* Remove the styling for hyperlinks */
.project_card{
  color: inherit; /* Matches the parent element's color */
  text-decoration: none; /* Removes the underline */
}

/* Align the text for the figure title to the center */
.figure_title{
  text-align: center;
}

/* Adjust the image size on the project pages */

/* For mobile */
@media (max-width: 768px) {
  .project_image{
    /* Center the image */
    display: block;
    margin-left: auto;
    margin-right: auto;

    /* Set larger % for mobile */
    max-width: 75%;
    height: auto;
  }
}
/* For PC */
@media (min-width: 768px) {
  .project_image{
    /* Center the image */
    display: block;
    margin-left: auto;
    margin-right: auto;

    /* Set larger % for PC */
    max-width: 50%;
    height: auto;
  }
}

/* Center the embedded videos */
.embedded_video{
  display: block;
  margin: 0 auto;
}

/* Center tables used in project pages */
.table_center {
  margin-left: auto;
  margin-right: auto;
}