#modal-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: opacity var(--fade-dur) ease;
    opacity: 0;
    display: none;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

#modal {
    position: fixed;
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    border: 1px solid var(--border-color);
    background-color: var(--modal-background);
    border-radius: 1rem;
    padding: 1rem;
    width: fit-content;
    min-width: 20rem;
    max-width: 90vw;
}