diff --git a/www/conservancy/static/forms.css b/www/conservancy/static/forms.css
index 9716fe19be0e42b8a782b68cdc506cce0e389e52..ea11a171bcf8516280f49528a60d576055f4cbb6 100644
--- a/www/conservancy/static/forms.css
+++ b/www/conservancy/static/forms.css
@@ -48,4 +48,9 @@ div.supporter-type-selector {
 img.appeal {
     float: left;
     padding-right: 40px;
+}
+
+img.appeal-header {
+    max-width: 100%;
+    height: auto;
 }
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