#SuccessMessage {
    z-index: 10000;
    position:fixed;
    width:100%;
    height:100%;
    background:#00000050;
    display:none;
    justify-content:center;
    align-items:center;
    top: 0;
    left: 0;
    transition: 1s;
    opacity:0;
}

#SuccessMessageContainer {
    max-width: 1000px;
    background: white;
    width: 80%;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    text-align: center;
    flex-direction: column;
}


@media (max-width: 1000px) {
    #SuccessMessageContainer {
        font-size: 25px;
    }
}

@media (max-width: 600px) {
    #SuccessMessageContainer {
        font-size: 20px;
    }
}

@media (max-width: 400px) {
    #SuccessMessageContainer {
        font-size: 15px;
    }
}