.login {
    min-height: 100vh;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: center;
    justify-content: center;
    align-items: center;
}
form {
    width: 50%;
    margin: auto;
    position: relative;
    display: flex;
    flex-direction: column;
}
div.form {
    flex: 0 0 100%;
    margin: 20px;
}
.logo {
    flex: 0 0 100%;
    text-align: center;
    margin: 20px;
}
.sppb-btn {
    display: inline-flex;
}