fix: add margin after pre and figures

public/css/index.css

@@ -149,6 +149,11 @@ hr {
   margin: 4rem 15vw;
 }
 
+figure + h2,
+pre + h2 {
+  margin-top: 2rem;
+}
+
 figure {
   text-align: center;
   margin: 0;
@@ -329,7 +334,6 @@ a[href].direct-link:focus,
 /*
  * New diff- syntax
  */
-
 pre[class*="language-diff-"] {
   --eleventy-code-padding: 1.25em;
   padding-left: var(--eleventy-code-padding);