Use four spaces in frontmatter blocks

source/_daily_emails/2023-01-07.md

@@ -1,11 +1,11 @@
 ---
 title: >
-  Reducing utility class duplication
+    Reducing utility class duplication
 pubDate: 2023-01-07
 permalink: >-
-  archive/2023/01/07/reducing-utility-class-duplication
+    archive/2023/01/07/reducing-utility-class-duplication
 tags:
-  - tailwind-css
+    - tailwind-css
 ---
 
 
@@ -28,7 +28,7 @@ The simplest way to remove the duplication is to create a variable that holds th
 
 ```astro
 ---
-const linkClasses =  "py-2 block border-b-2 border-transparent hover:border-blue-500 hover:text-blue-500 focus:outline-none focus:bg-yellow-400 focus:border-current";
+const linkClasses =    "py-2 block border-b-2 border-transparent hover:border-blue-500 hover:text-blue-500 focus:outline-none focus:bg-yellow-400 focus:border-current";
 ---
 
 <li><a class={linkClasses} href="#0">About</a></li>
@@ -69,11 +69,11 @@ For example, in Astro:
 ```astro
 ---
 const links = [
-  { name: "About" },
-  { name: "Blog" },
-  { name: "Talks" },
-  { name: "Daily list" },
-  { name: "Search" },
+    { name: "About" },
+    { name: "Blog" },
+    { name: "Talks" },
+    { name: "Daily list" },
+    { name: "Search" },
 ];
 ---