const styleElement = document.createElement('dom-module');
styleElement.innerHTML = `
    <template>
<style id="lvdtemplate">
        :host sig-control-role-list {
   --theme-sig-control-role-list-background-color: #2F2F2F;
   --theme-sig-control-role-list-color: #FFFFFF;
   --theme-sig-control-role-list-button-horizontal-separator-color: #5F5F64;
}

        </style>
</template>
`;
styleElement.register('sig-control-role-list-css');