details.details_shim_closed,details.details_shim_open{display:block}details.details_shim_closed>*{display:none}details.details_shim_closed>summary,details.details_shim_open>summary{display:block}details.details_shim_closed>summary:before{display:inline-block;content:"\25ba";padding:0;margin-right:.2em}details.details_shim_open>summary:before{display:inline-block;content:"\25bc";padding:0;margin-right:.2em}