Answers for "do not allow textarea resize"

disable textarea resize

textarea {   /* for all text* area elements */
  resize: none;
}

#foo {                  /* for particular id */
  resize: none;
}

remove resize from textarea

textarea {
	resize: none;
}

make textarea not resizable

You can either apply this as an inline style property like so: 
<textarea style="resize: none;"></textarea>
or in between 
<style>...</style> element tags like so: 
textarea { resize: none; }