diff --git a/assets/css/main.css b/assets/css/main.css
index 73f78fb..dbba33c 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -196,7 +196,7 @@ h3 {
 
 /* The big graph */
 #big-graph, #big-graph-controls, #big-graph-checkboxes {
-    width: 1540px;
+    width: 90%;
     margin: 15px auto 0 auto;
 }
 
diff --git a/assets/js/site.js b/assets/js/site.js
index 7bc74c8..78dc5a1 100644
--- a/assets/js/site.js
+++ b/assets/js/site.js
@@ -529,5 +529,11 @@ $(document).ready(function() {
 
     $(window).on('resize', function() {
         updatePercentageBar();
+
+        if (historyPlot) {
+            historyPlot.resize();
+            historyPlot.setupGrid();
+            historyPlot.draw();
+        }
     });
 });