Hi,
in your custom.js file
(you can find it here \wp-content\themes\salamat\js\custom.js)
on line 163 you have this code:
$('.dnd-tabs-timeline, .tcvpb-tabs-timeline').each(function(){
var $this = $(this);
var $tabs = $this.find('.dnd-tabs-ul > li');
var tabsCount = $tabs.length;
$tabs.addClass('tab_par_'+tabsCount);
});
below that paste this code:
$('a').on('click touchend', function(e) {
var el = $(this);
var link = el.attr('href');
window.location = link;
});
Now should all works fine :)
You can read more about that here:
http://cssmenumaker.com/blog/solving-the-double-tap-issue-on-ios-devices
Kind regards