修改BUG：精简site.css样式

Bootstrap.Admin/wwwroot/css/site.css

@@ -27,9 +27,6 @@ a, a:hover, a:focus {
 
     .dropdown-menu a {
         transition: all .25s linear;
-    }
-
-    .dropdown-menu > li > a {
         padding: 6px 20px;
         display: block;
     }
@@ -232,7 +229,7 @@ a, a:hover, a:focus {
             margin-right: 15px;
         }
 
-            .notify-row > li > a .badge {
+    .notify-row .badge {
         position: absolute;
         top: -14px;
         left: 24px;
@@ -415,23 +412,23 @@ a, a:hover, a:focus {
     padding: 7.5px 10px;
 }
 
-    .breadcrumb > li {
+    .breadcrumb li {
         padding-right: 5px;
     }
 
-        .breadcrumb > li.active {
+        .breadcrumb li.active {
             display: inline-block;
         }
 
-        .breadcrumb > li.load {
+        .breadcrumb li.load {
             display: none;
         }
 
-        .breadcrumb > li > a > i {
+    .breadcrumb i {
         padding-right: 6px;
     }
 
-        .breadcrumb > li + li:before {
+    .breadcrumb li + li:before {
         padding: 0 5px;
         color: #ccc;
         content: "/\00a0";