.password-criteria {
    display: none;
    list-style-type: none;
    padding: 0;
    margin: 20px;
    font-size: 13px;
}

.password-criteria.visible {
    display: block;
}

.password-criteria li {
    list-style: none;
}

.valid {
    color: green;
}

.invalid {
    color: red;
}