diff --git a/static/scss/custom.scss b/static/scss/custom.scss
index 86d7b50..379a59f 100644
--- a/static/scss/custom.scss
+++ b/static/scss/custom.scss
@@ -282,6 +282,7 @@ $homepage-block-min-height: 480px;
 
 .sponsor-list a img {
   width: 100%;
+  max-width: 300px;
 }
 
 .sponsor-list {