Get your own website Result Size: 625 x 565
x
 
<!DOCTYPE html>
<html>
<head>
<style>
.grid-container {
  display: grid;
  grid-template-columns: minmax(min-content, 350px) minmax(150px, 1fr) 120px;
  grid-gap: 5px;
  height: 150px;
  background-color: green;
  padding: 10px;
}
.grid-container > div {
  background-color: beige;
  padding: 5px;
}
</style>
</head>
<body>
<h1>The minmax() Function</h1>
<div class="grid-container">
  <div>Column as wide as the content, but maximum 350 pixels.</div>
  <div>Colum with flexible width but a minimum of 150 pixels.</div>
  <div>Column width: 120 pixels.</div>
</div>
</body>
</html>