Add slight rounded corners.

Author: brixen

src/components/SiteHeader.astro

@@ -5,7 +5,7 @@ import ThemeSwitch from "@/components/ThemeSwitch.astro";
 
 <header class="flex items-center justify-between h-14">
   <div class="text-sm font-semibold tracking-tight">
-    <a href="/"><img src="/r-logo-black-on-white.png" width=40 height=40 /></a>
+    <a href="/"><img src="/r-logo-black-on-white.png" width=40 height=40 class="rounded-sm" /></a>
   </div>
   <nav class="hidden md:flex gap-4 text-sm items-end">
     <a href="/blog/">Blog</a>