.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
       -moz-user-select: none;
    user-select:none;
}
@media (min-width: 768px) {
    .bd-placeholder-img-lg {
        font-size:3.5rem;
    }
}

.bd-mode-toggle .bi{
    width: 1em;
    height: 1em;
}
.bd-mode-toggle .dropdown-menu .active .bi{
    display: block !important;
}