.message-box-container {
    position: absolute;
    width: 100%;
    top: 0;
    pointer-events: none;
}

.message-box {
    position: fixed;
    top: 3em;
    left: 50%;
    z-index: 2147483647;
    transform: translate(-50%, 0);

    border: 1px solid var(--main-color);
    min-width: 75%;
    padding: 16px;
    background-color: #fff;

    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}

@keyframes fadeInMessageBox {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@keyframes fadeOutMessageBox {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

.in-message-box {
    animation: linear 0.5s forwards 1 fadeInMessageBox;
}

.out-message-box {
    animation: linear 0.5s forwards 1 fadeOutMessageBox;
}