g: 0;
        }
        body {
            color: #4d4d4d;
            font: 14px/1.4em 'Helvetica Neue', Helvetica, 'Microsoft Yahei', Arial, sans-serif;
            background: #f5f5f5 url('/public/vue/images/bg.jpg') no-repeat center;
            background-size: cover;
            font-smoothing: antialiased;
        }
        ul {
            list-style: none;
        }
        #chat {
            margin: 20px auto;
            width: 800px;
            height: 600px;
        }
    </style>
</head>
<bo