diff --git a/assets/css/styles.css b/assets/css/styles.css
index 13e1780..95e1d09 100644
--- a/assets/css/styles.css
+++ b/assets/css/styles.css
@@ -95,6 +95,7 @@ pre {
     padding: 10px;
     background: #77abbb;
     border: 1px solid #000;
+    border-radius: 2px;
     overflow-x: auto;
     white-space: pre;
     word-wrap: normal;