diff --git a/kjvstudy_org/templates/base.html b/kjvstudy_org/templates/base.html
index 684b872..aa81fbc 100644
--- a/kjvstudy_org/templates/base.html
+++ b/kjvstudy_org/templates/base.html
@@ -581,20 +581,37 @@
             }
 
             h1 {
-                font-size: 2rem;
-                line-height: 2.2rem;
-                font-weight: 500;
+                font-size: 2.2rem;
+                line-height: 2.4rem;
+                font-weight: 800;
+                color: #000;
+                letter-spacing: -0.02em;
+            }
+
+            [data-theme="dark"] h1 {
+                color: #fff;
             }
 
             h2 {
-                font-size: 1.5rem;
-                line-height: 1.7rem;
-                font-weight: 500;
+                font-size: 1.65rem;
+                line-height: 1.85rem;
+                font-weight: 700;
+                color: #000;
+                font-style: normal;
+            }
+
+            [data-theme="dark"] h2 {
+                color: #fff;
             }
 
             h3 {
-                font-size: 1.2rem;
-                font-weight: 600;
+                font-size: 1.3rem;
+                font-weight: 700;
+                color: #000;
+            }
+
+            [data-theme="dark"] h3 {
+                color: #fff;
             }
 
             p {
diff --git a/kjvstudy_org/templates/index.html b/kjvstudy_org/templates/index.html
index 3f7a2e3..08fc90a 100644
--- a/kjvstudy_org/templates/index.html
+++ b/kjvstudy_org/templates/index.html
@@ -132,8 +132,14 @@ section a[href^="/book/"] {
     }
 
     .title-page h1 {
-        font-size: 2.5rem;
+        font-size: 2.75rem;
         margin-bottom: 1rem;
+        font-weight: 900;
+        color: #000;
+    }
+
+    [data-theme="dark"] .title-page h1 {
+        color: #fff;
     }
 
     .title-details {