fix: mermaid copy source position

Jacky Zhao

2023-09-24 ea5742c328c97a20f7add4994aa7e443fc6f7f39

 quartz/components/styles/clipboard.scss

@@ -10,7 +10,6 @@
  background-color: var(--light);
  border: 1px solid;
  border-radius: 5px;
  z-index: 1;
  opacity: 0;
  transition: 0.2s;