<style>
textarea {
width: 300px;
height: 150px;
resize: horizontal;
padding: 10px;
border: 2px solid #333;
}
</style>
</head>
<body>
<a href="#" onClick="window.history.go(-1);">Home</a><br>
<h2>Textarea con resize: horizontal</h2>
<textarea placeholder="Puoi modificare solo la larghezza..."></textarea>