.widgeteditor-parent .widgeteditor-editor-panel fieldset {
    max-height: 300px;
}

.widgeteditor-parent .widgeteditor-export-editor {
    width: 800px;
}

.widgeteditor-parent .widget-preview-error-mark fieldset {
    border-color: var(--widget-preview-error-border-color);
}