You Can do this using css `resize` property.
textarea { resize: none; }
You can also decide to resize your textarea's only **horizontal** or **vertical**, this way:
textarea { resize: vertical; } textarea { resize: horizontal; }

Finally, <code>resize: both</code> enables the resize grabber.

Just use `resize: none`
textarea { resize: none; }
You can also decide to resize your textareas only horizontal or vertical, this way:
<code>textarea { resize: vertical; }</code>
<code>textarea { resize: horizontal; }</code>

Finally, <code>resize: both</code> enables the resize grabber.