<!DOCTYPE html>
<html>
<head>
<style>
textarea {
width: 100%;
height: 150px;
padding: 12px 20px;
box-sizing: border-box;
border: 2px solid #ccc;
border-radius: 4px;
background-color: #f8f8f8;
font-size: 16px;
resize: none;
}
</style>
</head>
<body>
<p><strong>Tip:</strong> Use the resize property to prevent textareas from being resized (disable the "grabber" in the bottom right corner):</p>
<form>
<textarea>Some text...</textarea>
</form>
</body>
</html>