fix docs for using custom components compositionally (#2044)

Garklein

2025-07-08 82c53a1c80069734da273883885d764ada0c1dd2

 quartz/styles/base.scss

@@ -11,8 +11,7 @@
  width: 100vw;
}

body,
section {
body {
  margin: 0;
  box-sizing: border-box;
  background-color: var(--light);