Feat: add background color for code blocks

styles.typ

@@ -31,10 +31,18 @@
   )
   
   // Code section default
-  show raw: set text(
+  show raw: self => {
+    set text(
       font: "Consolas",
       size: 8pt
     )
+    block(
+      fill: luma(240),
+      inset: 8pt,
+      radius: 2pt,
+      self
+    )
+  }
 
   { // Title
     set align(center)