.login-dark {
    height: 1000px;
    background: #475d62 url(../loginBackground.jpg);
    background-size: cover;
    position: relative;
    opacity: 0.9;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

    .login-dark form {
        max-width: 320px;
        width: 90%;
        padding: 40px;
        transform: translate(-50%, -50%);
        position: absolute;
        top: 50%;
        left: 50%;
        color: #fff;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 16px;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        
        border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .login-dark .illustration {
        text-align: center;
        padding: 5px 0 6px;
        font-size: 50px;
        color: #2980ef;
    }

    .login-dark form .form-control {
        background: none;
        border: none;
        border-bottom: 1px solid #fff;
        border-radius: 0;
        box-shadow: none;
        outline: none;
        color: inherit;
    }

    .login-dark form .btn-primary {
        background: #214a80;
        border: none;
        border-radius: 4px;
        padding: 11px;
        box-shadow: none;
        margin-top: 26px;
        text-shadow: none;
        outline: none;
    }

        .login-dark form .btn-primary:hover, .login-dark form .btn-primary:active {
            background: #214a80;
            outline: none;
        }

    .login-dark form .forgot {
        display: block;
        text-align: center;
        font-size: 12px;
        color: #6f7a85;
        opacity: 0.9;
        text-decoration: none;
    }

        .login-dark form .forgot:hover, .login-dark form .forgot:active {
            opacity: 1;
            text-decoration: none;
        }

    .login-dark form .btn-primary:active {
        transform: translateY(1px);
    }