jellyfin-web/src/components/toast/toast.scss

.toastContainer {
    position: fixed;
    inset-inline-start: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9999999;
    padding: 1em;
    display: flex;
    flex-direction: column;
}

.toast {
    min-width: 20em;
    box-sizing: border-box;
    box-shadow: 0 0.0725em 0.29em 0 rgba(0, 0, 0, 0.37);
    border-radius: 0.15em;
    cursor: default;
    transition: transform 0.3s ease-out;
    min-height: initial;
    padding: 1em 1.5em;
    font-size: 110%;
    margin: 0.25em 0;
    margin-right: auto;
    pointer-events: initial;
}

.toast:first-child {
    margin-top: 0;
}

.toast:last-child {
    margin-bottom: 0;
    transform: translateY(16em);
}

.toast.toastVisible {
    transform: none;
}

.toast.toastHide {
    opacity: 0;
    transition: opacity 0.3s ease-out;
}