.rjc-form {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
}

.rjc-form label {
    display: block;
    margin: 12px 0 4px;
    font-weight: bold;
}

.rjc-form input,
.rjc-form textarea,
.rjc-form select {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}

.rjc-form input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.rjc-form button {
    margin-top: 20px;
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 10px 16px;
    cursor: pointer;
    border-radius: 4px;
}