fix: builds should no accumulate on repeated changes (closes #404)

Jacky Zhao

2023-08-23 a1a1e7e1e0c06f2f7b759c5aecd6a9ceba3e2717

 quartz/components/styles/backlinks.scss

@@ -1,4 +1,6 @@
.backlinks {
  position: relative;

  & > h3 {
    font-size: 1rem;
    margin: 0;