CSS grid-auto-rows Property

The grid-auto-rows property in CSS is used to specify the size for the rows of implicitly generated grid containers.

The grid-auto-rows property sets a size for the rows in a grid container.

This property affects only rows with the size not set.

CSS Syntax

grid-auto-rows: auto|max-content|min-content|length;

Supported Browsers:

Firefox: 52.0, 2.0 -moz-
Google Chrome: 50.0, 4.0 -webkit-
Internet Explorer: 10.0
Safari: 9.0, 3.1 -webkit-
Opera: 37.0, 15.0 -webkit-, 11.1

Example -

<!DOCTYPE html>
<html>
<head>
<style>
.item1 { grid-area: 1 / 1 / 2 / 2; }
.item2 { grid-area: 1 / 2 / 2 / 3; }
.item3 { grid-area: 1 / 3 / 2 / 4; }
.item4 { grid-area: 2 / 1 / 3 / 2; }
.item5 { grid-area: 2 / 2 / 3 / 3; }
.item6 { grid-area: 2 / 3 / 3 / 4; }

.grid-container {
  display: grid;
  grid-auto-rows: 150px;
  grid-gap: 10px;
  background-color: #2196F3;
  padding: 10px;
}

.grid-container > div {
  background-color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 20px 0;
  font-size: 30px;
}
</style>
</head>
<body>

<h1>The grid-auto-rows Property</h1>

<p>Use the <em>grid-auto-rows</em> property to set a default size (height) for all rows.</p>
<p>Set the size to 150 pixels per row:</p>

<p><strong>Note:</strong> The grid-template-rows property overrides this property.</p>

</body>
</html>