css固定表头,表单内容可以滑动

<html>
<head>
    <meta charset="utf-8">
    <title>Table</title>
    <style type="text/css">
        .table{
            100%;
            border-collapse:collapse;
            border-spacing:0;
        }
        table thead, tbody tr {
            display:table;
            100%;
            table-layout:fixed;
        }
        .fixedThead{
            calc( 100% - 1em )
        }
        .scrollTbody{
            display: block;
            height: 262px;
            overflow: auto;
            100%;
            overflow-y:scroll;
        }
        .table td,.table th {
            200px;
            border-bottom: none;
            border-left: none;
            border-right: 1px solid #CCC;
            border-top: 1px solid #DDD;
            padding: 2px 3px 3px 4px
        }
        .table tr{
            border-left: 1px solid #EB8;
            border-bottom: 1px solid #B74;
        }
        /*thead.fixedThead tr th:last-child {
            color:#FF0000;
            218px;
        }*/
    </style>
</head>
<body >
<table class="table">
    <thead class="fixedThead">
    <tr><th>header</th><th>header two</th></tr>
    </thead>
    <tbody class="scrollTbody">
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    <tr><td>fuck 1</td><td>fuck 2</td></tr>
    </tbody>
</table>
</body>
</html>