docs: improve scss structure and admonition styling, update docs

Jacky Zhao

2022-07-31 234c707a93e1dbe438d0a45f1348cc6c39e2a265

 assets/styles/code-title.scss

@@ -1,6 +1,6 @@
.code-title {
  color: var(--primary) ;
  font-family: monospace;
  font-family: var(--font-mono);
  width: max-content;
  overflow-x: auto;
  display: inline-block;