The cursor in my textarea is not starting at the beginning when clicked to enter text.how can i make my cursor start at the beginning.

here is my html code;
HTML Code:
<p><label>Product Description</label>
<textarea name="product_desc"  cols="19" rows="4"  class="text" />
</textarea></p>
my css:

Code CSS:
textarea {
	border: 1px solid #ddd;
	background: #fff url(../img/input-shaddow.gif) no-repeat left top;
	font: 11px Arial, Helvetica, sans-serif;
	color: #000;
	padding: 5px;
	width: 262px;
	float: left;
	margin: 0 10px 0 0;
	height: 50px;
	overflow: hidden;
}