Removing unwanted table cell borders with CSS

I have a peculiar and frustrating problem. For开发者_StackOverflow社区 the simple markup:

<table>
    <thead>
        <tr><th>1</th><th>2</th><th>3</th></tr>
     </thead>
    <tbody>
        <tr><td>a</td><td>b></td><td>c</td></tr>
        <tr class='odd'><td>x</td><td>y</td><td>z</td></tr>
    </tbody>
</table>

I apply different background-color values to the thead, tr, and tr odd elements. The problem is that in most browsers, every cell has an unwanted border which is not the color of any of the table rows. Only in Firefox 3.5 does the table have no borders in any cell.

I'd just like to know how to remove these borders in the other major browsers so that the only thing you see in the table are the alternating row colors.

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You need to add this to your CSS:

table { border-collapse:collapse }

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to remove the border , juste using css like this :

td {
 border-style : hidden!important;
}

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Modify your HTML like this:

<table border="0" cellpadding="0" cellspacing="0">
    <thead>
        <tr><td>1</td><td>2</td><td>3</td></tr>
     </thead>
    <tbody>
        <tr><td>a</td><td>b></td><td>c</td></tr>
        <tr class='odd'><td>x</td><td>y</td><td>z</td></tr>
    </tbody>
</table>

(I added border="0" cellpadding="0" cellspacing="0")

In CSS, you could do the following:

table {
    border-collapse: collapse;
}

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Set the cellspacing attribute of the table to 0.

You can also use the CSS style, border-spacing: 0, but only if you don't need to support older versions of IE.

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You may also want to add

table td { border:0; }

the above is equivalent to setting cellpadding="0"

it gets rid of the padding automatically added to cells by browsers which may depend on doctype and/or any CSS used to reset default browser styles

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After trying the above suggestions, the only thing that worked for me was changing the border attribute to "0" in the following sections of a child theme's style.css (do a "Find" operation to locate each one -- the following are just snippets):

.comment-content table {
    border-bottom: 1px solid #ddd;

.comment-content td {
    border-top: 1px solid #ddd;
    padding: 6px 10px 6px 0;
}

Thus looking like this afterwards:

.comment-content table {
    border-bottom: 0;

.comment-content td {
    border-top: 0;
    padding: 6px 10px 6px 0;
}

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Try assigning the style of border: 0px; border-collapse: collapse; to the table element.

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sometimes even after clearing borders.

the reason is that you have images inside the td, giving the images display:block solves it.