constrain table width in checkup summaries

www/checkup/app-checkup.less

@@ -46,14 +46,18 @@ html, body {
         padding: 15px;
     }
 
-    table {
-        td {
-            padding: 5px;
-            border: 1px solid @cryptpad_text_col;
-            font-size: 60%;
-        }
-        td:nth-child(2) {
-            word-break: break-word;
+    .table-container {
+        overflow-x: auto;
+        width: 100%;
+        table {
+            td {
+                padding: 5px;
+                border: 1px solid @cryptpad_text_col;
+                font-size: 60%;
+            }
+            td:nth-child(2) {
+                word-break: break-word;
+            }
         }
     }
 

www/checkup/main.js

@@ -902,10 +902,12 @@ define([
 
         return h('div.error', [
             h('h5', obj.message),
-            h('table', [
-                row(["Failed test number", obj.test + 1]),
-                row(["Returned value", h('pre', code(printableValue))]),
-            ]),
+            h('div.table-container',
+                h('table', [
+                    row(["Failed test number", obj.test + 1]),
+                    row(["Returned value", h('pre', code(printableValue))]),
+                ]),
+            ),
         ]);
     };