@media (min-width: 375px) {
    .form-signin {
        width: 320px;
    }
}

@media (min-width: 768px) {
    body {
        background: url('../images/bg2.jpg') fixed repeat;
    }

    .container {
        background: url('../images/bg3.png') no-repeat;
        background-size: contain;
        width: 704px;
        height: 404px;
        margin: 0 auto;
    }

    .form-signin {
        border: none;
        background: none;
        width: auto;
    }

        .form-signin .form-signin-heading {
            background: none;
            margin-top: 10px;
        }

        .form-signin .input-group {
            border: solid 1px #286090;
        }

    .login-wrap {
        margin: 30px 0 0 370px;
    }
}