fix nested callout folding

Jacky Zhao

2023-08-12 c89f8b1a9a20becd982ed0b4bc88b1685a15832d

 quartz/components/styles/darkmode.scss

@@ -2,6 +2,7 @@
  position: relative;
  width: 20px;
  height: 20px;
  margin: 0 10px;

  & > .toggle {
    display: none;