.collapse{display:none;}.collapse.in{display:block;}tr.collapse.in{display:table-row;}tbody.collapse.in{display:table-row-group;}.collapsing{position:relative;height:0;overflow:hidden;-webkit-transition-property:height,visibility;transition-property:height,visibility;-webkit-transition-duration:0.35s;transition-duration:0.35s;-webkit-transition-timing-function:ease;transition-timing-function:ease;}