body {
  background: linear-gradient(to right, #e8f0f7, #ffffff);
}
.card {
  border-radius: 1rem;
}
#calendar {
  max-width: 100%;
  margin: 0 auto;
  height: 500px;
}
.navbar .nav-link.active {
    color: #ffc107 !important;
    font-weight: bold;
    border-bottom: 2px solid #ffc107;
}
.navbar .dropdown-menu a:hover {
    background-color: #f8f9fa;
}