diff --git a/src/html_fn.py b/src/html_fn.py
index eed19c2..96ea133 100644
--- a/src/html_fn.py
+++ b/src/html_fn.py
@@ -22,7 +22,7 @@ def buildSite(content, title=None, disable_color=False):
             c_style = f"background: {bg}; color: {fg};"
 
     if os.path.exists("/config/wall.png"):
-        c_style += "background-image: url('assets/wall');"
+        c_style += "background-image: url('assets/wall');background-size:cover"
 
     return Document(
         head=Head(