body {
    min-height:100%;
    background:linear-gradient(0deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3)),url(/img/bg-login.jpg) bottom center !important;
    background-size: cover !important;
}
.login-logo a{
    color: white;
    font-weight: bold;
}
.help-block {
    color: red;
}