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  1. PO
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    <p>If I caught you right .. I made a <strong>demo</strong> for you <a href="http://jsfiddle.net/aV54L/" rel="noreferrer">http://jsfiddle.net/aV54L/</a><br> No jQuery, no JavaScript .. CSS only</p> <p>Here is the code:</p> <pre><code>&lt;!DOCTYPE HTML&gt; &lt;html&gt; &lt;head&gt; &lt;style&gt; body { margin : 0px; } #top1{ border-bottom:black; background: #dedede; position:fixed; top:0; left:0; width:50%; color: #000; height: 30px; z-index:5; } .col1{ width: 40%; border: 1px solid #000; } .col2{ width: 20%; border: 1px solid #000; } .col3{ width: 25%; border: 1px solid #000; } .col4{ width: 15%; border: 1px solid #000; } #tableHeader { width: 50%; top: 20px; position:fixed; background-color: red; z-index:10; } #table { position: relative; width: 50%; top: 50px; background-color: aqua; z-index:0; } &lt;/style&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="top1"&gt; blah blah blah &lt;/div&gt; &lt;div id="top2"&gt; &lt;table id="tableHeader" border="0" cellpadding="5" cellspacing="0"&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;/table&gt; &lt;table id="table" border="0" cellpadding="5" cellspacing="0"&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="col1"&gt;column 1&lt;/th&gt; &lt;td class="col2"&gt;column 2&lt;/th&gt; &lt;td class="col3"&gt;column 3&lt;/th&gt; &lt;td class="col4"&gt;column 4&lt;/th&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>As I say in the comment, I think that the <strong>problem with your code</strong> is to give <code>position:fixed</code> to thead tag. If it's not needed I suggest to use two tables as shown in the demo to let <code>positioning</code> to be understood correctly. I think this is not a hack as been said but it's accepting things like they work. I tried to change the original code as less as possible however.</p>
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    1. POHow can I have 2 fixed headers on 1 page?
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    1. USLuca Borrione
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    1. COI think this looks pretty good and almost got the right answer. however it uses a hack. ( used another "table" instead of previous "thead") . whatever, vote up.
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      1. USSiwei Shen申思维
    2. CO@Siwei Shen this is needed for `position:fixed` to be understood correctly .. I think the main goal is `to have 2 fixed headers on 1 page` .. it's not been said `keeping thead`. I tried to change the code as less as possible. I could try to find a solution keeping thead if needed, but I think that's the cause of the problem
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      1. USLuca Borrione
    3. COYou should not make any table related element either position fixed or absolute(and even relative does not work in, at least, firefox 3.6) Tables have a very specific set of rules on how things are rendered. For example the tfoot element must be declared above the tbody but it shows below the tbody. With a reason. Apart from several new problems you introduce writing it like this, the above answer is the nicest. Just don't forget that browsers will add a tbody element. Possibly breaking your css if you forget about it.(just write the element yourself just in case)
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      1. USRené
 

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