Line number textarea

by ShaCP

HTML

<div>
<div>
1
2
3
</div>
<textarea rows="10" cols="40"></textarea>
</div>

CSS

textarea{
    background: url(http://i.imgur.com/2cOaJ.png);
background-attachment: local;
background-repeat: no-repeat;
padding-left: 35px;
padding-top: 10px;
    border-color:#ccc;
}