ethereal, как вариант...
<!DOCTYPE html>
<html>
<head>
<meta http-equiv='Content-Type' content='text/html; charset=windows-1251' />
<script src='https://code.jquery.com/jquery-latest.js'></script>
<!--
<script src="https://code.angularjs.org/1.3.9/angular.min.js"></script>
<script src="https://code.angularjs.org/1.3.9/angular-route.js"></script>
-->
<style type='text/css'>
.a-hover {
color: red;
}
.active {
font-weight: bold;
}
</style>
<script type='text/javascript'>
$(function(){
$('.owl-carousel.owl-one > div').mouseover(function(){
var o=$(this);
o.parent().find('.a-hover').removeClass('a-hover');
o.addClass('a-hover');
});
});
</script>
</head>
<body>
<div class="owl-carousel owl-one">
<div> 1 </div>
<div> 2 </div>
<div> 3 </div>
<div> 4 </div>
<div> 5 </div>
<div> 6 </div>
<div class="active"> 7 </div>
<div class="active a-hover"> 8 </div>
<div class="active"> 9 </div>
<div> 10 </div>
</div>
</body>
</html>