<DIV>$content</DIV>
<div id="content">$content</div>
#content {
padding-bottom: 50px;
background: url(mein50pxhohesbild.png) no-repeat center bottom;
}
<DIV>$content</DIV>
<div id="content">$content</div>
#content {
padding-bottom: 50px;
background: url(mein50pxhohesbild.png) no-repeat center bottom;
}