body,html{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background-color:#000;color:#fff;font-family:Calibri,Segoe UI,Candara,Segoe,Optima,Arial,sans-serif;transition:background-color .3s ease,color .3s ease}body.light-mode{background-color:#f0f2f5;color:#333}