.page-login {
    background-image: url('login.jpg') !important;
}

    .page-login form {
        width: 340px;
        margin: 30px 0;
    }

        .page-login form a {
            margin-left: 20px;
        }

.page-dark:before {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    content: '';
    background-position: center top;
    -webkit-background-size: cover;
    background-size: cover;
}

.page-dark:after {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    content: '';
    background-color: rgba(38, 50, 56, .6);
}