diff --git a/css/style.css b/css/style.css
index 746ca14..fb19b0b 100644
--- a/css/style.css
+++ b/css/style.css
@@ -145,19 +145,23 @@ body {
 }
 
 #exerslide-slide h1 {
-  font-size: 1.8rem;
+  font-size: 2.1rem;
+  font-weight: bold;
 }
 
 #exerslide-slide h2 {
-  font-size: 1.4rem;
+  font-size: 1.7rem;
+  font-weight: bold;
 }
 
 #exerslide-slide h3 {
-  font-size: 1.2rem;
+  font-size: 1.5rem;
+  font-weight: bold;
 }
 
 #exerslide-slide h4 {
-  font-size: 1.1rem;
+  font-size: 1.4rem;
+  font-weight: bold;
 }
 
 #exerslide-slide h2 + p,