1 files changed, 6 insertions, 0 deletions
diff --git a/tools/test-helper/extension.js b/tools/test-helper/extension.js
index 335fcc15..a745916a 100644
--- a/tools/test-helper/extension.js
+++ b/tools/test-helper/extension.js
@@ -108,6 +108,12 @@ function getWebviewContent(pngSrc, refSrc, stdout, stderr) {
         }
         .flex {
             display: flex;
+            flex-wrap: wrap;
+        }
+        .flex > * {
+            flex-grow: 1;
+            flex-shrink: 0;
+            max-width: 100%;
         }
         </style>
     </head>