Fix input overlap off RSS downloader WebUI

The text input's in the RSS downloader window where not correctly inside their bounding box.

src/webui/www/private/views/rssDownloader.html

@@ -31,6 +31,7 @@
     .fullWidth {
         width: 100%;
         max-width: none;
+        box-sizing: border-box;
     }
 
     .noWrap {
@@ -78,6 +79,10 @@
     #lastMatchDiv {
         float: right;
     }
+    
+    #ruleSettings {
+        padding: 4px 10px 4px 10px
+    }
 </style>
 
 <div id="RssDownloader" class="RssDownloader">