diff --git a/package.json b/package.json
index 6bbdc3d..0f1953e 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "@11ty/eleventy": "^0.7.1",
     "@11ty/eleventy-plugin-syntaxhighlight": "^2",
-    "@lookback/lookbook": "^6.0.5",
+    "@lookback/lookbook": "^6.0.6",
     "dotenv": "^6",
     "postcss": "^8",
     "postcss-cli": "^10",
diff --git a/src/stylesheets/base-styling.css b/src/stylesheets/base-styling.css
index ff9df3c..868bd87 100644
--- a/src/stylesheets/base-styling.css
+++ b/src/stylesheets/base-styling.css
@@ -112,7 +112,7 @@ main {
     }
 
     > h2 {
-      @apply mb-2 mt-4 pb-1 border-b-2;
+      @apply mb-2 mt-4 pb-1 border-b-1;
     }
 
     > h3 {
diff --git a/src/stylesheets/utils.css b/src/stylesheets/utils.css
index 05a3f00..1139af4 100644
--- a/src/stylesheets/utils.css
+++ b/src/stylesheets/utils.css
@@ -1,5 +1,5 @@
 .preview-block {
-  @apply border-2 border-b-0 rounded-t-lg p-3 bg-white;
+  @apply border-1 border-b-0 rounded-t-lg p-3 bg-white;
 
   & + pre {
     border-radius: 0;
diff --git a/src/tech/classes.njk b/src/tech/classes.njk
index 72001d9..1fa547f 100644
--- a/src/tech/classes.njk
+++ b/src/tech/classes.njk
@@ -25,7 +25,7 @@ layout: layout.njk
 
   {% for group in lookbook.groupedClasses %}
     <section class="mb-6">
-      <header class="flex items-center justify-between border-b-2 mb-3">
+      <header class="flex items-center justify-between border-b-1 mb-3">
         <h2 id="{{ group.title | slug }}">{{ group.title }}</h2>
 
         <div class="flex items-center">