docs: update blockquote styles + shadcn-ui guide

src/docs/shadcn-ui.md

@@ -7,7 +7,9 @@ description: How to use shadcn/ui to add SVGs to your project.
 
 SVGL v5 support [shadcn/ui](https://ui.shadcn.com/) registry 🎉, so you can easily add SVGs to your project using [their CLI](https://ui.shadcn.com/docs/cli). Add the registry config once and you will be able to install any SVG in **`.tsx`** using `npm`, `yarn`, `bun` or `pnpm`.
 
-## Add registry
+## Add registry (optional)
+
+> If you have already added shadcn/ui in your project, you can skip this step.
 
 Add the SVGL registry to your `components.json` file:
 

src/styles/markdown.css

@@ -36,7 +36,7 @@
   /* Blockquotes */
 
   & blockquote:not(.not-markdown blockquote) {
-    @apply mt-6 border-l-2 border-neutral-300 pl-6 text-neutral-900 dark:border-neutral-700 dark:text-neutral-100;
+    @apply mt-6 border-l-2 border-neutral-300 bg-neutral-200/50 pl-4 text-neutral-700 dark:border-neutral-700 dark:bg-neutral-800/50 dark:text-neutral-300;
   }
 
   /* Tables */