.mims-alert-stack {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 99999; /* ensure above everything */
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 1024px;
    pointer-events: none; /* container ignores clicks */
}

    .mims-alert-stack .alert {
        pointer-events: auto; /* the actual alert receives clicks */
    }