body, html { font-size:small !important; }
ul div:last-child {
    margin-left:auto;
}
nav {
    margin-bottom: 0!important;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
}
hr {
    margin-top: 0;
    margin-bottom: 15;
    border: 0;
    border-top: 1px solid;
}

.study-buttons {
    gap: 10px;
}
  
.study-buttons .btn {
  margin-bottom:10px;
  width: 250px; /* Fixed width for buttons */
  white-space: nowrap; /* Prevent text wrapping */
  overflow: hidden; /* Hide overflow */
  text-overflow: ellipsis; /* Add ellipsis for overflow text */
}

/* for screens larger than 525 px, the navbar buttons will each be 7% of the screen with ellipsis if text overflows. */
@media (min-width: 525px) {
  .nav-link {
    white-space: nowrap; /* Prevent text wrapping */
    overflow: hidden; /* Hide overflow */
    text-overflow: ellipsis; /* Add ellipsis for overflow text */
    display: block;
    text-align: center; /* Center align text */
    font-size: small;
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
  }
}

.navbar-nav .nav-item .nav-link.active {
    font-weight: bold; /* Make the selected tab bold */
}

.navbar-nav .nav-item .nav-link {
    color: #000; /* Darker font color for unselected tabs */
}

.navbar-nav {
    white-space:nowrap;
    flex-wrap:nowrap;
}

.nav-underline {
  column-gap: 5px;
}

.nav-link {
  margin-left: 2px;
  margin-right: 2px;
}

/* Version footer styling */
#version-footer {
  position: fixed;
  bottom: 10px;
  right: 20px;
  font-size: 11px;
  color: #666;
  z-index: 1000;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding: 5px 10px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  user-select: none;
}