diff --git a/style.css b/style.css
index d97d5a0..6f5129a 100644
--- a/style.css
+++ b/style.css
@@ -13,6 +13,10 @@ img, h1, h2 {
 	vertical-align: middle;
 }
 
+img {
+	border: 0;
+}
+
 a {
 	text-decoration: none;
 }
@@ -69,6 +73,7 @@ td.num {
 hr {
 	border: 0;
 	border-top: 1px solid #777;
+	height: 1px;
 }
 
 pre {