diff --git a/browser/components/MarkdownPreview.js b/browser/components/MarkdownPreview.js
index 4ec37538..074abd44 100644
--- a/browser/components/MarkdownPreview.js
+++ b/browser/components/MarkdownPreview.js
@@ -55,9 +55,19 @@ code {
   font-family: ${codeBlockFontFamily.join(', ')};
 }
 
-h1, h2, h3, h4 {
+h1, h2 {
   border: none;
 }
+
+h1 {
+  padding-bottom: 4px;
+  margin: 1em 0 8px;
+}
+
+h2 {
+  padding-bottom: 0.2em;
+  margin: 1em 0 0.37em;
+}
 `
 }