Código HTML:
Ver original<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
.estilo1 {
background-image:url("img/pic1.png");
width:350px;
height:100px;
}
.estilo2 {
background-image:url("img/pic1.png");
width:350px;
height:auto;
}
.estilo3 {
background-image:url("img/pic1.png");
width:350px;
height:100px;
}
span{
width:350px;
}
<div class="estilo2"><span>ddddddddddddddddddddddddddddddddddddddddddddddddddd
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
dddddddddddddddddddddddddddddd
</span></div>