.userForm {
    width: 30%;
    max-width: 380px;
    margin: 1.5em auto 4em auto;
}

.userUpdate {
    width: 40%;
    margin: 1.5em auto 4em auto;
}

h1 {
    text-align: center;
    margin-bottom: 1em;
    font-size: 1.4em;
}

.field input {
    width: 100%;
}

.multipleField .input {
    width: 48%;
}

button {
    border: 0;
    background-color: #000000;
    color: #FFFFFF;
    text-transform: uppercase;
    padding: 0.5em 1em;
    margin-top: 0.5em;
}

@media (max-width: 768px) {

    .userForm,
    .userUpdate {
        width: 90%;
    }

    .input {
        flex-direction: column;
    }

}