diff --git a/css/freepost.css b/css/freepost.css
index 395e758..bf16795 100644
--- a/css/freepost.css
+++ b/css/freepost.css
@@ -8,6 +8,11 @@
     box-sizing: border-box;
 }
 
+img
+{
+    max-width: 100%;
+}
+
 /* Style used to format Markdown tables */
 table
 {