css优化

public/static/admin/default/css/common.css

@@ -400,7 +400,7 @@ ul {margin-top:0;}
 .admin-sidebar-list {margin-bottom:0;}
 .admin-sidebar-list li a {color:#b6b6b6;padding-left:24px;}
 .admin-sidebar-list li:first-child {border-top:none;}
-.admin-sidebar-sub {margin-top:0;margin-bottom:0;box-shadow:0 16px 8px -15px #e2e2e2 inset;background:#404040;padding-left:24px;}
+.admin-sidebar-sub {margin-top:0;margin-bottom:0;box-shadow:0 16px 8px -15px #e2e2e2 inset;background:#404040;padding-left:10px;}
 .admin-sidebar-sub li:first-child {border-top:1px solid #dedede;}
 .admin-sidebar {height:100%;overflow-x:hidden;overflow-y:scroll;-webkit-overflow-scrolling:touch;}
 .admin-sidebar .am-icon-angle-down {margin-top: 5px;}