css fixes, add recent notes, more robust quartz update

Jacky Zhao

2023-08-20 236130ac221f7d254ec9881f529f4ca567e15234

 quartz/components/styles/footer.scss

@@ -1,6 +1,7 @@
footer {
  text-align: left;
  margin-bottom: 4rem;
  opacity: 0.7;

  & ul {
    list-style: none;