axeax

var  mylist = ['first', 'second', 'third', 'fourth', 'fifth'];
var buttons = "";
for(var i = 0; i < mylist.length; i++){
    buttons += "<button class='"+mylist[i]+"'></button>";
}
$('body').append(buttons);

setInterval(function(){
	var curTab = $('.c-tabs__nav-item.active .c-tabs__nav-link');
	var nextTab = $('.c-tabs__nav-item.active').next('.c-tabs__nav-item').find('.c-tabs__nav-link');
	if(!nextTab.length){
		nextTab = $('.c-tabs__nav-item').first().find('.c-tabs__nav-link');
	}
	$(nextTab).trigger('click');
	console.log(nextTab);
}, 10000)

#vari4:checked + label span{
    content: 'другой текст';
}