config_service: make UI responsive and change colors.

appengine/config_service/ui/src/config-ui/config-set.html

 <!--
   Copyright 2017 The LUCI Authors. All rights reserved.
   Use of this source code is governed under the Apache License, Version 2.0
   that can be found in the LICENSE file.
 -->
 
 <link rel="import" href="config-file-card.html">
 <link rel="import" href="../../bower_components/iron-ajax/iron-ajax.html">
 <link rel="import" href="../../bower_components/iron-icons/iron-icons.html">
 <link rel="import" href="../../bower_components/paper-item/paper-item.html">
 <link rel="import" href="../../bower_components/paper-spinner/paper-spinner.html">
 <link rel="import" href="../../bower_components/polymer/polymer.html">
 <link rel="import" href="../../bower_components/iron-icons/maps-icons.html">
 
 <dom-module id="config-set">
   <template>
     <style>
+      .spinner {
+        text-align: center;
+      }
+
       .category {
         font-size: 100%;
         font-family: sans-serif;
       }
 
       .center {
-        width: 27%;
+        width: 20%;
         margin: auto;
         text-align: left;
       }
 
       .config-card { 
         padding-bottom: 1%;
         animation: fadein 1.5s;
       }
 
       @keyframes fadein {
         from {opacity: 0}
         to {opacity: 1}
       }
 
       .name {
         font-size: 200%;
         font-family: sans-serif;
+        word-wrap: break-word;
       }
 
-      #refreshStatus { font-size: 35%; }
+      #refreshStatus { font-size: 80%; }
 
       .title {
         padding-bottom: 1%;
         padding-top: 5%;
       }
     </style>
 
     <iron-ajax
         auto
         id="requestConfigs"
@@ skipping 12 matching lines @@
         on-response="_onCompleteRefresh"
         headers="[[auth_headers]]">
     </iron-ajax>
 
     <div class="center title"> 
       <div class="name">
         [[name]][[route.path]]
         <template is="dom-if" if="[[_not(isLoading)]]">
           <template is="dom-if" if="[[lastImportAttempt]]">
             <template is="dom-if" if="[[lastImportAttempt.success]]">
-              <iron-icon id="valid" icon="icons:check-circle"></iron-icon>
+              <iron-icon id="valid" icon="icons:check-circle" style="color: var(--paper-green-600);"></iron-icon>

[Ryan Tseng, 2017/07/13 22:16:53]

Styles go in <style> block

             </template>
             <template is="dom-if" if="[[_not(lastImportAttempt.success)]]">
-              <iron-icon id="invalid" icon="icons:warning"></iron-icon>
+              <iron-icon id="invalid" icon="icons:warning" style="color: var(--paper-red-600);"></iron-icon>
             </template>
           </template>
           <template is="dom-if" if="[[_not(lastImportAttempt)]]">
-            <iron-icon icon="icons:help"></iron-icon>
+            <iron-icon icon="icons:help" style="color: var(--paper-grey-600);"></iron-icon>
           </template>
         </template>
         <template is="dom-if" if="[[auth_headers]]">
           <iron-icon icon="icons:refresh" on-tap="_forceRefresh"></iron-icon>
-          <span id="refreshStatus">[[refreshMessage]]</span>
         </template>
       </div>
       <div class="category">
-        [[_formatCategory(category)]] <br>
+        <p>[[_formatCategory(category)]]</p>
         <template is="dom-if" if="[[_not(isLoading)]]">
           <template is="dom-if" if="[[lastImportAttempt]]">
             <template is="dom-if" if="[[_not(lastImportAttempt.success)]]">
               Last import attempt failed: [[lastImportAttempt.message]]
             </template>
           </template>
           <template is="dom-if" if="[[_not(lastImportAttempt)]]">
             Last import attempt info not available.
           </template>
         </template>
+        <p id="refreshStatus">[[refreshMessage]]</p>
       </div>      
     </div>
     <template is="dom-if" if="[[isRefreshing]]">
-      <div class="center">
+      <div class="spinner">
         <paper-spinner active></paper-spinner>
       </div>
     </template>
     <template is="dom-if" if="[[_not(isRefreshing)]]">
       <template is="dom-if" if="[[isLoading]]">
-        <div class="center">
+        <div class="spinner">
           <paper-spinner active></paper-spinner>
         </div>
       </template>
       <template is="dom-if" if="[[_not(isLoading)]]">
         <template is="dom-if" if="[[_isEmpty(files)]]">
           <div class="center" style="font-family: sans-serif;">
             No config files found.
           </div>
         </template>
         <template is="dom-if" if="[[_not(_isEmpty(files))]]">
@@ skipping 98 matching lines @@
         this.isLoading = false;
       },
 
       _onRefreshError: function() {
         this.isRefreshing = false;
         this.refreshMessage = "Error: Files could not be refreshed.";
       }
     });
   </script>
 </dom-module>