various path fixes for links to extensions, fix relative paths in links

Jacky Zhao

2023-08-17 0c199975f2d469ecdfd7efcf2ddd16ffa1dc492b

 quartz/styles/base.scss

@@ -11,12 +11,14 @@
  width: 100vw;
}

body {
body,
section {
  margin: 0;
  max-width: 100%;
  box-sizing: border-box;
  background-color: var(--light);
  font-family: var(--bodyFont);
  color: var(--darkgray);
}

.text-highlight {