compass css transitions example

btn-transition-example.scss

@import "compass/css3/transition";

.btn-name {
  @include transition( color 0.2s ease-in, background .2s ease-in );
}

.btn-state-1 {
  color: #000;
  background: #eee;
}

.btn-state-2 {
  color: #fff;
  background: #ff0000;
}