Settings WebUI: Fix padding around system language

https://imgur.com/a/cL5kX12

Bug: 961480
Change-Id: I85fe65ee593b76014a2ddc3c1647bca9d5b6c2ad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2606624Reviewed-by: Esmael Elmoslimany <aee@chromium.org>
Commit-Queue: John Lee <johntlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#839683}

chrome/browser/resources/settings/languages_page/languages_page.html

@@ -6,7 +6,6 @@
       .explain-selected {
         color: var(--google-green-refresh-700);
         font-weight: initial;
-        margin-top: 4px;
       }
 
       @media (prefers-color-scheme: dark) {
@@ -181,7 +180,7 @@
                     item.language.code, language.prospectiveUILanguage)]]
                     [[isTranslationTarget_(item.language.code,
                     languages.translateTarget)]]">
-                  <div class="start">
+                  <div class="start cr-padded-text">
                     <div title="[[item.language.nativeDisplayName]]">
                       [[item.language.displayName]]
                     </div>