Fix font sizes on Site Details page.

chrome/browser/resources/settings/site_settings/site_details.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="/icons.html">
 <link rel="import" href="/settings_shared_css.html">
 <link rel="import" href="/site_settings/constants.html">
 <link rel="import" href="/site_settings/site_details_permission.html">
 <link rel="import" href="/site_settings/site_settings_behavior.html">
 <link rel="import" href="/site_settings/website_usage_private_api.html">
 
 <dom-module id="site-details">
   <template>
     <style include="settings-shared">
       :host {
         -webkit-margin-start: 4px;
         display: block;
       }
 
       .origin-box {
         margin-bottom: 20px;
-        margin-top: 35px;
       }
 
       .origin {
         -webkit-margin-start: 10px;
-        font-size: 110%;
         font-weight: 500;
       }
 
       .reset-button {
         -webkit-margin-start: 15px;
       }
 
       #storage {
         -webkit-padding-end: 0;
       }
@@ skipping 48 matching lines @@
         $i18n{siteSettingsClearAndReset}
       </paper-button>
     </div>
     <website-usage-private-api id="usageApi"
         website-data-usage="{{storedData_}}"
         website-storage-type="{{storageType_}}">
     </website-usage-private-api>
   </template>
   <script src="site_details.js"></script>
 </dom-module>