html, body {
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url(../../img/back.svg);
    background-repeat: no-repeat;
    background-position: center 110px;
    background-size: 100%;
}

.middle {
    padding: 50px 50px 50px 50px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 7px 7px 20px 20px #ced4da;

}

.btn {
    border-radius: 28px;
}

.imgcode {
    height: 38px;
}