// // Component animations // ————————————————–

// Heads up! // // We don't use the `.opacity()` mixin here since it causes a bug with text // fields in IE7-8. Source: github.com/twitter/bootstrap/pull/3552.

.fade {

opacity: 0;
.transition(opacity .15s linear);
&.in {
  opacity: 1;
}

}

.collapse {

display: none;
&.in {
  display: block;
}

} .collapsing {

position: relative;
height: 0;
overflow: hidden;
.transition(height .35s ease);

}