body {
    background-image: url(../../images/bg/login.jpg);
    padding-top: 10%;
    padding-top: calc((100vh - 308px)/2 - 10vh);
}

.area {
    margin: 0 auto;
    width: 489px;
    height: 308px;
    background-image: url(../../images/login_main.png);
    background-size: cover;
    background-repeat: no-repeat;
    padding: 175px 0 0 70px;
}

.row {
    margin: 0 0 8px 0;
}


.btn {
    background-color: Gray;
    width: 120px;
}

    .btn:hover {
        background-color: #0B48B3;
    }