diff --git a/app/modules/anpdf/anpdf.phtml b/app/modules/anpdf/anpdf.phtml
index 2580e54..e75311c 100644
--- a/app/modules/anpdf/anpdf.phtml
+++ b/app/modules/anpdf/anpdf.phtml
@@ -28,7 +28,7 @@
         t.parentNode.insertBefore(s, t);
     })(this, this.document, "yandexContextAsyncCallbacks");
 </script>
-<canvas id="the-canvas"></canvas>
+<canvas id="the-canvas" style="width:100%;"></canvas>
 
 <div id="pdf-nav">