CSS混淆HTML的简单DEMO

 <html>
    <head>
        <style>
            #s{                       
                position: relative;
            }
            b{
                position: absolute;                 
                top:100px;
                font-size: 30px;
                overflow: hidden; 
                display: block;
                height: 40px;
                background: rgb(71, 8, 40);
            }
            i{
                font-style: normal;
            }
        </style>
    </head>
    <body>
        <div id='s'>
            <b style="width:80px;left:250px">
                <i style="width: 16px;">1</i>
                <i style="width: 16px;">2</i>
                <i style="width: 16px;">3</i>
                <i style="width: 16px;">4</i>
            </b>
            <b style="width: 16px;left:250px">5</b>
            <b style="width: 16px;left:280px">6</b>
        </div>
        
    </body>
</html>