Display failed download as caution

wiki/src/install/inc/steps/download.inline.html

@@ -200,10 +200,9 @@ two techniques to do this verification automatically.</p>
     </div>
     <div id="download-message">
       <div id="download-message-paused">
-        <p>The download has been paused (or failed).<br />
-        Click on the play button to resume.</p>
+        <p>The download has been paused. Click on the play button to resume.</p>
       </div>
-      <div id="download-message-failed">
+      <div id="download-message-failed" class="caution">
         <p>The download of the ISO image failed! Please check your network connection and click <span class="guilabel">Retry</span>…</p>
       </div>
     </div>

wiki/src/install/inc/stylesheets/dave.css

@@ -468,10 +468,8 @@ html:not([data-phase="verified"]) #downloaded-path {
   display: none !important;
 }
 
-#download-message-failed, #download-message-paused {
-  padding: 5px;
-  margin: 5px;
-  background: lightgrey;
+#download-message-paused {
+  font-style: italic;
 }
 
 #download[data-state="failed"] #download-message-failed {