however these are no longer compatible in Flash Player 7 because of exact domain matching rules. An additional rule, also added under Flash Player 7, is content accessed via HTTP may not access data from a HTTPS location.
<div style="margin-right:400px; overflow: visible;">
<div style="width: 20%; float: right; margin-right: -400px; background:yellow;">
3
</div>
<div style="width: 80%; float: left; background:blue;">
1
</div>
<div style="width: 400px; margin-left: 80%; background:green;">
2
</div>
</div>