How can I set the max-width of a table cell using percentages?

The specifics of table and cell manipulation

While working with tables, setting a max-width on cells is a bit tricky because traditional CSS properties applying to regular elements don't always function identically with table cells. This is due to tables naturally accommodating their content.

Implementing the table-layout: fixed property to your table can provide more control in the layout. Also, try setting the table width to 100% for a more fluid design across varying screen sizes.

Here's a hands-on approach:

table {
  width: 100%;
  table-layout: fixed;  /* Yep, it's fixed. No arguing here! */
}

th,
td {
  width: 20%;  /* Because I can't resist even numbers! */
}
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The table-layout: fixed and specific percentage widths on table cells together ensure that cells don't exceed their set limits while reaming adaptable to different screen sizes.

The power of fixed table layouts

Fixed layouts: Your secret weapon

A fixed table layout grants you a predictable tabular presentation, particularly helpful when different types of content may result in inconsistent column widths. With table-layout: fixed, columns adhere to their width declarations, allowing you greater control over cell sizing.

Housel your cell content

Adding div elements within your td cells offer you an extra layer of manipulation with the CSS max-width property, mimicking typical non-table behaviour.

Give it structure: Wrapping with divs

This more structured approach allows you to manage cell widths more accurately:

<td>
  <div style="max-width: 500px; width: 100%;">
    Your content   /* Content merely existing, minding its own business! */
  </div>
</td>
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Fill in the gaps: Make use of remaining space

If any cells adopt a max-width, you can apply width: 100% to the remaining cells. These cells can then fill the extra available space within a row:

<td style="width: 100%;">
  Filler content   /* I'm a filler. Nice to meet you. */
</td>
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Getting added visual clarity

Outlining cell borders: It's what's inside that counts

Creating borders to your table cells can serve as an excellent layout aid, helping to identify cell width proportions defined by your CSS:

td {
  border: 1px solid #ccc;  /* Stylish chrome-colored couture */
}
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