.sts-ce-form-wrapper {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.sts-ce-form {
    width: 100%;
}

.sts-ce-section {
    margin-bottom: 32px;
}

.sts-ce-section h2 {
    margin: 0 0 20px;
}

.sts-ce-product {
    margin-bottom: 24px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.sts-ce-product h3 {
    margin: 0 0 16px;
}

.sts-ce-field {
    margin-bottom: 20px;
}

.sts-ce-field:last-child {
    margin-bottom: 0;
}

.sts-ce-field label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
}

.sts-ce-field .required {
    color: #c00;
}

.sts-ce-field input,
.sts-ce-field select,
.sts-ce-field textarea {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font: inherit;
}

.sts-ce-field textarea {
    resize: vertical;
}

.sts-ce-actions {
    margin-top: 30px;
}

.sts-ce-submit {
    padding: 12px 24px;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
}

.sts-ce-message {
    margin-bottom: 24px;
    padding: 16px 20px;
    border-radius: 4px;
}

.sts-ce-error {
    border: 1px solid #d63638;
    background: #fff5f5;
    color: #8a1f1f;
}

.sts-ce-success {
    border: 1px solid #46b450;
    background: #f1fff3;
    color: #246b2a;
}