.container {
    width: 500px;
    height: 890px;
    margin: 0 auto;
}
.btn {
    width: 100%;
    text-align: center;
    padding-top: 774px;
}
.btn img {
    width: 340px;
}

@media screen and (min-width: 800px) {
    #copyright {
        text-align: center;
        background: white;
        color: #2d2d2d;
        bottom: -50px;
    }
    #icpNo {
        color: #85a6e3;
    }
}