html, body, form {
    height: 100% !important;
}

body {
    
    background: url('/Content/images/background.jpg') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
}

.signin-container { background-color: #ffffff; }