grunt

docs/dist/css/bootstrap.css

@@ -5503,7 +5503,7 @@ button.close {
   right: 0;
   bottom: 0;
   left: 0;
-  z-index: 1050;
+  z-index: 1040;
   display: none;
   overflow: hidden;
   -webkit-overflow-scrolling: touch;
@@ -5551,7 +5551,6 @@ button.close {
   right: 0;
   bottom: 0;
   left: 0;
-  z-index: 1040;
   background-color: #000;
 }
 .modal-backdrop.fade {

docs/dist/js/bootstrap.js

@@ -1015,14 +1015,13 @@ if (typeof jQuery === 'undefined') { throw new Error('Bootstrap\'s JavaScript re
       var doAnimate = $.support.transition && animate
 
       this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')
-        .appendTo(this.$body)
-
-      this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) {
-        if (e.target !== e.currentTarget) return
-        this.options.backdrop == 'static'
-          ? this.$element[0].focus.call(this.$element[0])
-          : this.hide.call(this)
-      }, this))
+        .prependTo(this.$element)
+        .on('click.dismiss.bs.modal', $.proxy(function (e) {
+          if (e.target !== e.currentTarget) return
+          this.options.backdrop == 'static'
+            ? this.$element[0].focus.call(this.$element[0])
+            : this.hide.call(this)
+        }, this))
 
       if (doAnimate) this.$backdrop[0].offsetWidth // force reflow