.login-page,
.register-page {
    -ms-flex-align: center;
    align-items: center;
    background-color: rgba(0, 103, 104, 0.8);
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    height: 100vh;
    -ms-flex-pack: center;
    justify-content: center;
}
.login-page .main-footer {
    position:fixed;
}
.login-box,
.register-box {
    width: 360px;
}

@media (max-width: 576px) {
    .login-box,
    .register-box {
        margin-top: .5rem;
        width: 90%;
    }
}

.login-box .card,
.register-box .card {
    margin-bottom: 0;
}

.login-card-body,
.register-card-body {
    background-color: #fff;
    border-top: 0;
    color: #666;
    padding: 20px;
}

    .login-card-body .input-group .form-control,
    .register-card-body .input-group .form-control {
        border-right: 0;
    }

        .login-card-body .input-group .form-control:focus,
        .register-card-body .input-group .form-control:focus {
            box-shadow: none;
        }

            .login-card-body .input-group .form-control:focus ~ .input-group-prepend .input-group-text,
            .login-card-body .input-group .form-control:focus ~ .input-group-append .input-group-text,
            .register-card-body .input-group .form-control:focus ~ .input-group-prepend .input-group-text,
            .register-card-body .input-group .form-control:focus ~ .input-group-append .input-group-text {
                border-color: #80bdff;
            }

        .login-card-body .input-group .form-control.is-valid:focus,
        .register-card-body .input-group .form-control.is-valid:focus {
            box-shadow: none;
        }

        .login-card-body .input-group .form-control.is-valid ~ .input-group-prepend .input-group-text,
        .login-card-body .input-group .form-control.is-valid ~ .input-group-append .input-group-text,
        .register-card-body .input-group .form-control.is-valid ~ .input-group-prepend .input-group-text,
        .register-card-body .input-group .form-control.is-valid ~ .input-group-append .input-group-text {
            border-color: #28a745;
        }

        .login-card-body .input-group .form-control.is-invalid:focus,
        .register-card-body .input-group .form-control.is-invalid:focus {
            box-shadow: none;
        }

        .login-card-body .input-group .form-control.is-invalid ~ .input-group-append .input-group-text,
        .register-card-body .input-group .form-control.is-invalid ~ .input-group-append .input-group-text {
            border-color: #dc3545;
        }

    .login-card-body .input-group .input-group-text,
    .register-card-body .input-group .input-group-text {
        background-color: transparent;
        border-bottom-right-radius: 0.25rem;
        border-left: 0;
        border-top-right-radius: 0.25rem;
        color: #777;
        transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    }

.login-box-msg,
.register-box-msg {
    margin: 0;
    padding: 0 20px 20px;
    text-align: center;
}
.login-logo,
.register-logo {
    font-size: 2.1rem;
    font-weight: 300;
    margin-bottom: .9rem;
    text-align: center;
}

    .login-logo a,
    .register-logo a {
        color: #495057;
    }