diff --git a/webapp/src/styles/main.scss b/webapp/src/styles/main.scss
index f005db3ae..b65f89f11 100644
--- a/webapp/src/styles/main.scss
+++ b/webapp/src/styles/main.scss
@@ -177,6 +177,7 @@ hr {
 }
 
 .octo-block img {
+    width: calc(100% - 20px);
 	max-width: 500px;
 	max-height: 500px;
 	margin: 5px 0;