body.login-bg {
    background: #2f343a;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: #fff;
    padding: 30px;
    width: 360px;
    border-radius: 6px;
    box-shadow: 0 0 20px rgba(0,0,0,.3);
}