How to remove table border in css

Removing CSS table borders is a common requirement in Web front-end development. In style design, we often need to adjust the border of the table to make it more consistent with the page design style. This article will introduce several methods to remove CSS table borders.

1. Use the border attribute

By default, the browser will add the border attribute to the table to display the border of the table. We can remove the table border by setting the border attribute to 0, as shown below:

table {
  border: 0;
}

The above code sets the table border to 0, thereby removing the table border.

2. Use the border-collapse attribute

This attribute can control whether the borders of cells are merged. By default, the browser will merge the borders of adjacent cells in the table into one, which can reduce page load time. We can set the border-collapse property to collapse to remove the border of the table, as shown below:

table {
  border-collapse: collapse;
}

This code merges the borders of the table into one, thereby removing the border of the table.

3. Use the outline attribute

The outline attribute is used to control the outer border of the element. If it is set to none, you can remove all borders of the table, as shown below:

table {
  outline: none;
}

This code removes all the borders of the table, which is very suitable for use when you need to hide the borders of the table in the design.

4. Set the border for the specified cell or row

If you only need to set the border for a certain cell or row of the table, you can use the border attribute to achieve this. For example, to set the border for the first row of the table, the code is as follows:

tr:first-child {
  border-bottom: 1px solid #000;
}

The above code sets the lower border of the first row of the table to a solid black line of 1 pixel, thereby achieving the specified unit Set the border effect for a grid or row.

Summary

The above are several commonly used methods to remove the borders of CSS tables. Depending on the needs, choosing the appropriate method can achieve better results. Of course, these methods can also be combined to achieve more complex effects. In actual development, we need to often use these techniques to optimize pages and improve user experience.

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