2 files changed, 9 insertions, 4 deletions
diff --git a/source/infra/css/main.css b/source/infra/css/main.css
index cdf71e4..242c08d 100644
--- a/source/infra/css/main.css
+++ b/source/infra/css/main.css
@@ -37,10 +37,14 @@ body {
 
 	font-family: sans-serif;
 }
-h1, h2, h3 {text-align: center;}
-h1 {font-size: 2.0rem;}
-h2 {font-size: 1.6rem;}
-h3 {font-size: 1.2rem;}
+h1, h2, h3, h4 {text-align: center;}
+h1 {font-size: 2.1rem;}
+h2 {font-size: 1.8rem;}
+h3 {font-size: 1.5rem;}
+h4 {
+	font-size: 1.2rem;
+	font-style: italic;
+}
 a {
 	background-color: transparent;
 	text-decoration: none;
diff --git a/source/infra/css/syntax.css b/source/infra/css/syntax.css
index 50191d2..08e24b4 100644
--- a/source/infra/css/syntax.css
+++ b/source/infra/css/syntax.css
@@ -1,4 +1,5 @@
 .highlighter-rouge {
+	padding: 0 2px;
 	border: 1px solid;
 	border-color: #999988;
 	background-color: #f8f8f8;