diff --git a/path/to/your/css/file.css b/path/to/your/css/file.css
new file mode 100644
index 0000000..532bf32
--- /dev/null
+++ b/path/to/your/css/file.css
@@ -0,0 +1 @@
+.code-block { overflow-x: auto; }
\ No newline at end of file