#tool{padding:4em 0}#dmoverlay{height:0;width:0;overflow:hidden;background:#fff}body.blinking #header,body.blinking #footer,body.blinking #main,body.blinking #explainer,body.blinking .widetext{display:none}body.blinking #dmoverlay{height:100dvh;width:100dvw;position:fixed;z-index:999999;inset:0}body.blinking{overflow:hidden}body.blinking #dmoverlay{display:block}#dmoverlay.dark{background:#000!important}body #stopblink{transition:height 0s,width 0s,padding 0s;justify-content:center;height:100dvw;width:auto;max-height:100dvh;max-width:100dvw;aspect-ratio:1 / 1}body.blinking #stopblink{position:absolute;top:10px;left:10px;text-decoration:none;color:#000;background-color:gray;border-radius:50%;height:1.5em;width:auto;aspect-ratio:1 / 1;transition:line-height 1s ease,height 1s ease,width 1s ease,padding 1s ease}#stopblink svg{height:80%}