fix(explorer): vertically center the Explorer toggle under mobile view (#1847)

Felix Nie

2025-03-16 a72b1a422485d4f2258e58c1f76f933cb24cf455

 quartz/components/styles/backlinks.scss

@@ -1,4 +1,8 @@
@use "../../styles/variables.scss" as *;

.backlinks {
  flex-direction: column;

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