.clearfix {
  *zoom: 1; }
  .clearfix:before, .clearfix:after {
    display: table;
    content: "";
    line-height: 0; }
  .clearfix:after {
    clear: both; }

.clearfix {
  *zoom: 1; }
  .clearfix:before, .clearfix:after {
    display: table;
    content: "";
    line-height: 0; }
  .clearfix:after {
    clear: both; }

.fade {
  opacity: 0;
  -webkit-transition: opacity 0.15s linear;
  -moz-transition: opacity 0.15s linear;
  -o-transition: opacity 0.15s linear;
  transition: opacity 0.15s linear; }
  .fade.in {
    opacity: 1; }

.collapse {
  position: relative;
  height: 0;
  overflow: hidden;
  -webkit-transition: height 0.35s ease;
  -moz-transition: height 0.35s ease;
  -o-transition: height 0.35s ease;
  transition: height 0.35s ease; }
  .collapse.in {
    height: auto; }