.imagelistexpander-items{font-size:0}.imagelistexpander-item{display:inline-block;vertical-align:top;-webkit-transition:height 500ms ease;-o-transition:height 500ms ease;transition:height 500ms ease}.imagelistexpander-expander{position:absolute;left:0;right:0;overflow:hidden;max-height:0;-webkit-transition:max-height 500ms ease;-o-transition:max-height 500ms ease;transition:max-height 500ms ease}.imagelistexpander-contents{position:relative}.imagelistexpander-contents:after{display:block;position:absolute;bottom:0;left:50%;margin-left:-30px;width:0;height:0;content:'';border-left:30px solid transparent;border-right:30px solid transparent;border-bottom-style:solid;border-bottom-width:0;-webkit-transition:border-bottom-width 500ms ease;-o-transition:border-bottom-width 500ms ease;transition:border-bottom-width 500ms ease}.imagelistexpander-item.active .imagelistexpander-contents:after{border-bottom-width:30px}