[MD settings] layout of the site settings page

chrome/browser/resources/settings/settings_shared_css.html

 <!-- Common styles for Material Design settings. -->
 <dom-module id="settings-shared">
   <template>
     <style>
       :root {
         --checkbox-margin-start: 2px;
         --checkbox-size: 16px;
         --checkbox-spacing: 18px;
         --iron-icon-fill-color: var(--paper-grey-600);
         --iron-icon-height: 20px;
@@ skipping 126 matching lines @@
       }
 
       .action-button,
       .cancel-button {
         font-weight: 500;
       }
 
       .list-frame {
         @apply(--layout-center);
         -webkit-padding-end: 20px;
-        -webkit-padding-start: 48px;
+        -webkit-padding-start: 56px;
         display: block;
         padding-bottom: 0;
         padding-top: 0;
       }
 
       .list-frame .secondary,
       .list-item .secondary {
         @apply(--settings-secondary);
       }
 
@@ skipping 116 matching lines @@
 
       .favicon-image {
         background-repeat: no-repeat;
         background-size: contain;
         height: 16px;
         width: 16px;
       }
     </style>
   </template>
 </dom-module>