.login-form {
    width: 50%;
    padding: 3rem;
    margin: 0 auto;
}
.btn-container {
    text-align: center;
}
.err-msg .msg-text {
    color: red;
    font-weight: bold;
}
@media only screen and (max-width: 672px) {
    .login-form {
        width: 100%;
    }
}