e-tip .tip-arrow em {
        position: absolute;
        left: 0;
        border-width: 8px;
        border-style: solid dashed dashed
    }

    #wx-share-tip .tip-arrow em.layer1 {
        border-color: #ddd transparent transparent;
        top: 1px
    }

    #wx-share-tip .tip-arrow em.layer2 {
        border-color: #fff transparent transparent
    } </style>
</head>
<body id="mainframe">
<div id="shortcut-2014">
    <div class="w">
        <ul class="fl">
            <li class="dorpdown" id="ttbar-myc