修复Mac下canvas不显示问题

Author: 昱晓

src/main/resources/css/zkgui.css

@@ -131,6 +131,11 @@ td {
     margin: 5px 0 0 5px;
 }
 
+#connect {
+    position: relative;
+    z-index: 2;
+}
+
 .input-group {
     float: left;
     width: 90%;

src/main/resources/page/connect.html

@@ -27,7 +27,7 @@ <h2>ZooKeeper GUI</h2>
 </div>
 <script src="../js/jquery.min.js"></script>
 <script src="../js/bootstrap.typeahead.min.js"></script>
-<script src="../js/canvas-nest-1.0.1.min.js"></script>
+<script src="../js/canvas-nest-1.0.1.min.js" opacity='0.8' zIndex="1" count="127"></script>
 <script type="application/javascript">
     //call by JavaFX
     function typeHead(history) {