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templates/property_page_acc_content.php  a

Add class “collapsed” to the link below

<a data-toggle="collapse" data-parent="#accordion_prop_details" href="#collapseOne" aria-expanded="true" class="">

becomes

<a data-toggle=”collapse” data-parent=”#accordion_prop_details” href=”#collapseOne” aria-expanded=”false” class=”collapsed”>

 

on the h4 element add the class “carusel_closed”

<h4 class="panel-title" id="prop_det">Details </h4>
becomes
<h4 class="panel-title carusel_closed" id="prop_det">Details </h4>

Remove class “in” on the div – add also style=”height: 0px;”

<div id="collapseOne" class="panel-collapse collapse in" aria-expanded="true">

becomes

<div id=”collapseOne” class=”panel-collapse collapse” aria-expanded=”false” style=”height: 0px;”>