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How to Define Table Column Widths Using HTML and CSS?

Patricia Arquette

Oct 29, 2024 pm 07:19 PM

How to Define Table Column Widths Using HTML and CSS?

Defining Table Column Width in HTML and CSS

To set the column widths in the provided table:

CSS width Property:

Utilize the width property within CSS to define the width of each table column. You can specify values in pixels (px) or as a percentage (%) of the parent element's width.

Example:

<code class="css">table {
  width: 100%;  /* Table takes up 100% page width */
}

colgroup {
  display: inline-block;
  width: 100%;
}

col {
  /* Set column widths as a percentage of the parent column group */
  width: 15%;
  width: 70%;
  width: 15%;
}

/* Additional styling for visual demonstration */

td {
  background-color: #aaa;
}

td:nth-child(1), td:nth-child(3) {
  background-color: #777;
}</code>

HTML Markup:

<code class="html"><table style="width: 100%;">
  <colgroup>
    <col span="1" style="width: 15%;">
    <col span="1" style="width: 70%;">
    <col span="1" style="width: 15%;">
  </colgroup>
  <!-- Insert table headers, body, and rows here -->
</table></code>

This solution assigns widths of 15%, 70%, and 15% to the "From", "Subject", and "Date" columns, respectively. Additionally, it ensures that the table extends across the entire page width.

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