1 files changed, 2 insertions, 2 deletions

diff --git a/styles.css b/styles.css
index e4a8225..48ba1cf 100644
--- a/styles.css
+++ b/styles.css
@@ -108,8 +108,8 @@ pre.lineno {
 }
 
 pre.highlight {
-  border-top: 1px solid;
-  border-bottom: 1px solid;
+  border: 1px solid #ccc;
+  border-radius: 10px;
 }
 
 pre {