.custom-review-wrapper {
    text-align: center;
    margin: 2em auto;
    max-width: 500px;
}
#custom-review-form input,
#custom-review-form textarea {
    width: 100%;
    margin: 0.5em 0;
    padding: 0.5em;
}
#custom-review-form button,
#show-review-form {
    padding: 0.6em 1.2em;
    background: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
}
#custom-review-form button:hover,
#show-review-form:hover {
    background: #005177;
}