compass-style.org/content/examples/compass/css3/regions/stylesheet.scss
@import "compass/css3";
.source {
@include flow-into(target);
border: 10px solid green;
margin: 20px;
width: 200px;
}
.new-container {
@include flow-from(target);
border: 10px solid red;
margin: 20px;
width: 200px;
}