[MD settings] align font size with quick brown fox example text

chrome/browser/resources/settings/appearance_page/appearance_fonts_page.html

Index: chrome/browser/resources/settings/appearance_page/appearance_fonts_page.html
diff --git a/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.html b/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.html
index b937d5848e6c33424d725f72b7ade8d4c229c788..db96fba10ed0250859a9f1f2bb6ff8c624fe3e7c 100644
--- a/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.html
+++ b/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.html
@@ -45,8 +45,10 @@
               style$="[[computeStyle_(
                   prefs.webkit.webprefs.default_font_size.value,
                   prefs.webkit.webprefs.fonts.standard.Zyyy.value)]]">
-            <span>[[prefs.webkit.webprefs.default_font_size.value]]</span>
-            : $i18n{quickBrownFox}
+            <span>
+              [[prefs.webkit.webprefs.default_font_size.value]]:
+              $i18n{quickBrownFox}
+            </span>
           </div>
         </div>
         <h2>$i18n{serifFont}</h2>
@@ -61,8 +63,10 @@
               style$="[[computeStyle_(
                   prefs.webkit.webprefs.default_font_size.value,
                   prefs.webkit.webprefs.fonts.serif.Zyyy.value)]]">
-            <span>[[prefs.webkit.webprefs.default_font_size.value]]</span>
-            : $i18n{quickBrownFox}
+            <span>
+              [[prefs.webkit.webprefs.default_font_size.value]]:
+              $i18n{quickBrownFox}
+            </span>
           </div>
         </div>
         <h2>$i18n{sansSerifFont}</h2>
@@ -77,8 +81,10 @@
               style$="{{computeStyle_(
                   prefs.webkit.webprefs.default_font_size.value,
                   prefs.webkit.webprefs.fonts.sansserif.Zyyy.value)}}">
-            <span>[[prefs.webkit.webprefs.default_font_size.value]]</span>
-            : $i18n{quickBrownFox}
+            <span>
+              [[prefs.webkit.webprefs.default_font_size.value]]:
+              $i18n{quickBrownFox}
+            </span>
           </div>
         </div>
         <h2>$i18n{fixedWidthFont}</h2>
@@ -93,8 +99,10 @@
               style$="[[computeStyle_(
                   prefs.webkit.webprefs.default_fixed_font_size.value,
                   prefs.webkit.webprefs.fonts.fixed.Zyyy.value)]]">
-            <span>[[prefs.webkit.webprefs.default_font_size.value]]</span>
-            : $i18n{quickBrownFox}
+            <span>
+              [[prefs.webkit.webprefs.default_font_size.value]]:
+              $i18n{quickBrownFox}
+            </span>
           </div>
         </div>
       </div>