CSS Reference

Quick Reference

The grid-auto-columns property sets a size for the columns in a grid container, affecting only columns with the size not set.

div {
    grid-auto-columns: 250px;
}

Default

Default valueauto
Inherited valuesno
Can it be animated?yes

These are the allowed values.

ValueDescription
autoThe size of the columns is determined by the size of the container (default)
fit-content()Sets the size of the columns according to the formula min(maximum size, max(minimum size, argument))
max-contentSets the size of each column depending on the largest item in the column
min-contentSets the size of each column depending on the smallest item in the column
minmax(min.max)Sets a size range greater than or equal to min and less than or equal to max
lengthSets the size of the columns, by using a legal length value. Read about length units
%Sets the size of the columns, by using a percent value

Using JavaScript

The HTML element can also be styled using JavaScript and the element’s id.

document.getElementById('my_div').style.gridAutoColumns = '250px';
<button onclick='my_function()'>Click Here</button>

<script>
function my_function() {
    document.getElementById('my_div').style.gridAutoColumns = '250px';
}
</script>

CSS Notes:


We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.