diff --git a/style.css b/style.css
index 0bc36c4..cebbef6 100644
--- a/style.css
+++ b/style.css
@@ -74,6 +74,6 @@ div.error {
 img.ss {
   margin: auto;
   display: inline-block;
-  width: 45%;
+  width: min(calc(45vw - 1em), calc(350px - 1em));
   margin: 0.5em;
 }