diff --git a/kallithea/public/css/style.css b/kallithea/public/css/style.css
--- a/kallithea/public/css/style.css
+++ b/kallithea/public/css/style.css
@@ -5122,6 +5122,17 @@ div.comment:target>.comment-wrapp {
     margin: -2px;
 }
 
+.btn-image-diff-show,
+.btn-image-diff-swap {
+    margin: 5px;
+}
+
+.img-diff {
+    max-width: 45%;
+    height: auto;
+    margin: 5px;
+}
+
 .img-preview {
     max-width: 100%;
     height: auto;