.docs-appbar {

    z-index: var(--mud-zindex-appbar);
}

.docs-appbar-filter {
    backdrop-filter: blur(12px);
    z-index: var(--mud-zindex-appbar);
}

.mud-grid .mud-item {
    margin-bottom: 1rem;
}

.mb4 {
    margin-bottom: 1rem;
}

.card-button {
    background-color: transparent;
    color: white !important;
    border: 2px solid white;
    /*text-shadow: 1px 1px 2px black;*/
    transition: all 0.3s ease;
}

.card-button:hover {
    background-color: white !important;
    color: black !important;
}