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If you want to add a border only to the bottom of the table row, you can apply the CSS border-bottom property to <td> elements that are placed within a <tr> tag.
You can set border properties on a tr element, but according to the CSS 2.1 specification, such properties have no effect in the separated borders model, which tends to be the default in browsers. Ref.: 17.6. 1 The separated borders model.
noBorder td to make the border go away for all the <td> s that are inside of <tr> s with the noBorder class by assigning border: 0 . Note that you do not need to provide the unit (i.e. px ) if you set something to 0 as it does not matter anyway. Zero is just zero.
To create table border in HTML, the border attribute was used. But the introduction of HTML5, deprecated the border tag. Create table border using the CSS property border. Set table border as well as border for <th> and <td>.
How about tr {outline: thin solid black;}? Works for me on tr or tbody elements, and appears to be compatible with the most browsers, including IE 8+ but not before.
Thank you to all that have responded! I've tried all of the solutions presented here and I've done more searching on the internet for other possible solutions, and I think I've found one that's promising:
tr.top td {
border-top: thin solid black;
}
tr.bottom td {
border-bottom: thin solid black;
}
tr.row td:first-child {
border-left: thin solid black;
}
tr.row td:last-child {
border-right: thin solid black;
}<html>
<head>
</head>
<body>
<table cellspacing="0">
<tr>
<td>no border</td>
<td>no border here either</td>
</tr>
<tr class="top row">
<td>one</td>
<td>two</td>
</tr>
<tr class="bottom row">
<td>three</td>
<td>four</td>
</tr>
<tr>
<td colspan="2">once again no borders</td>
</tr>
<tr class="top bottom row">
<td colspan="2">hello</td>
</tr>
<tr>
<td colspan="2">world</td>
</tr>
</table>
</body>
</html>Output:
Instead of having to add the top, bottom, left, and right classes to every <td>, all I have to do is add top row to the top <tr>, bottom row to the bottom <tr>, and row to every <tr> in between. Is there anything wrong with this solution? Are there any cross-platform issues I should be aware of?
If you set the border-collapse style to collapse on the parent table you should be able to style the tr:
(styles are inline for demo)
<table style="border-collapse: collapse;">
<tr>
<td>No Border</td>
</tr>
<tr style="border:2px solid #f00;">
<td>Border</td>
</tr>
<tr>
<td>No Border</td>
</tr>
</table>
Output:
I was just playing around with doing this too, and this seemed to be the best option for me:
<style>
tr {
display: table; /* this makes borders/margins work */
border: 1px solid black;
margin: 5px;
}
</style>
Note that this will prevent the use of fluid/automatic column widths, as cells will no longer align with those in other rows, but border/colour formatting still works OK. The solution is to give the TR and TDs a specified width (either px or %).
Of course you could make the selector tr.myClass if you wanted to apply it only to certain rows. Apparently display: table doesn't work for IE 6/7, however, but there's probably other hacks (hasLayout?) that might work for those. :-(
Here's an approach using tbody elements that could be the way to do it. You can't set the border on a tbody (same as you can't on a tr) but you can set the background colour. If the effect you're wanting to acheive can be obtained with a background colour on the groups of rows instead of a border this will work.
<table cellspacing="0">
<tbody>
<tr>
<td>no border</td>
<td>no border here either</td>
</tr>
<tbody bgcolor="gray">
<tr>
<td>one</td>
<td>two</td>
</tr>
<tr>
<td>three</td>
<td>four</td>
</tr>
<tbody>
<tr>
<td colspan="2">once again no borders</td>
</tr>
<tbody bgcolor="gray">
<tr>
<td colspan="2">hello</td>
</tr>
<tbody>
<tr>
<td colspan="2">world</td>
</tr>
</table>
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