To the header:
<script>
jQuery(function($){
$('.et_pb_toggle_title').click(function(){
var $toggle = $(this).closest('.et_pb_toggle');
if (!$toggle.hasClass('et_pb_accordion_toggling')) {
var $accordion = $toggle.closest('.et_pb_accordion');
if ($toggle.hasClass('et_pb_toggle_open')) {
$accordion.addClass('et_pb_accordion_toggling');
$toggle.find('.et_pb_toggle_content').slideToggle(700, function() {
$toggle.removeClass('et_pb_toggle_open').addClass('et_pb_toggle_close');
});
}
setTimeout(function(){
$accordion.removeClass('et_pb_accordion_toggling');
}, 750);
}
});
});
</script>
To the CSS:
.et_pb_accordion .et_pb_toggle_open .et_pb_toggle_title:before {
display: block!important;
content: "\e04f" !important;
}
Code by Divi Booster