Changing font size with pinch gesture in Reader Mode

components/dom_distiller/core/css/distilledpage.css

Index: components/dom_distiller/core/css/distilledpage.css
diff --git a/components/dom_distiller/core/css/distilledpage.css b/components/dom_distiller/core/css/distilledpage.css
index adfb68239598f3bff3097bb1e90775c33cc62bf0..bd1ffc46d2540fa6f9dd88667b4f505ecb98c156 100644
--- a/components/dom_distiller/core/css/distilledpage.css
+++ b/components/dom_distiller/core/css/distilledpage.css
@@ -73,9 +73,11 @@ th {
 
 /* Base typography. */
 
-body,
 html {
   font-size: 14px;
+}
+
+body {
   height: 100%;
   line-height: 1.4;
   text-rendering: optimizeLegibility;
@@ -151,11 +153,11 @@ h6 {
 /* Margins for Show Original link. */
 
 #showOriginal {
-  margin: auto 1.296rem 1.296rem 1.296rem;
+  margin: auto 1.296rem 1.296rem 5%;
 }
 
 #content {
-  margin: 0.2rem;
+  margin: 0.2rem 2.2%;
 }
 
 /* Main margins. */
@@ -325,13 +327,14 @@ pre {
 }
 
 .feedbackContent {
+  font-size: 14px;
   background-color: #4285F4;
   clear: both;
   padding: 14px;
 }
 
 #feedbackQuestion {
-  font-size: 20px;
+  font-size: 1.4em;
   font-weight: 700;
   text-align: center;
   width: 100%;