//
// Component animations
// --------------------------------------------------

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

/* uncss:ignore */
.fade {
  opacity: 0;
  .transition(opacity .15s linear);
}

/* uncss:ignore */
.fade.in {
  opacity: 1;
}

/* uncss:ignore */
.collapse {
  display: none;

  &.in {
    display: block;
  }
  tr&.in {
    display: table-row;
  }
  tbody&.in {
    display: table-row-group;
  }
}

/* uncss:ignore */
.collapsing {
  position: relative;
  height: 0;
  overflow: hidden;
  .transition-property(~"height, visibility");
  .transition-duration(.35s);
  .transition-timing-function(ease);
}