Fix buttons of webhook list

src/main/twirl/gitbucket/core/settings/edithooks.scala.html

@@ -13,7 +13,6 @@
   @html.menu("settings", repository){
     @menu("hooks", repository){
       @helper.html.information(info)
-
       <div class="panel panel-default">
         <div class="panel-heading strong">Webhook / Manage webhook</div>
         <div class="panel-body">

src/main/twirl/gitbucket/core/settings/hooks.scala.html

@@ -28,10 +28,10 @@
                 <em class="css-truncate" style="max-width: 225px;">(<span class="css-truncate-target">@events.map(_.name).mkString(", ")</span>)</em>
               </td><td>
                 <div class="btn-group pull-right">
-                  <a href="@url(repository)/settings/hooks/edit/@urlEncode(webHook.url)" class="btn btn-small">
+                  <a href="@url(repository)/settings/hooks/edit/@urlEncode(webHook.url)" class="btn btn-default">
                     <span class="octicon octicon-pencil"></span>
                   </a>
-                  <a href="@url(repository)/settings/hooks/delete?url=@urlEncode(webHook.url)" class="btn btn-small btn-danger" onclick="return confirm('delete webhook for @webHook.url ?')">
+                  <a href="@url(repository)/settings/hooks/delete?url=@urlEncode(webHook.url)" class="btn btn-danger" onclick="return confirm('delete webhook for @webHook.url ?')">
                     <span class="octicon octicon-x"></span>
                   </a>
                 </div>

src/main/webapp/assets/common/css/gitbucket.css

@@ -494,6 +494,10 @@ span.highlight {
 }
 
 .btn-danger .octicon {
+  color: #900;
+}
+
+a.btn-danger:hover .octicon {
   color: #fff;
 }