how to add calss in hover dropdown menu code example

Example 1: bootstrap dropdown on hover

<body>
<style>
	.dropdown:hover>.dropdown-menu{
		display: block;
	}
</style>
</body>

Example 2: bootstrap hover dropdown

...
<div class="collapse navbar-collapse" data-hover="dropdown" data-animations="fadeInDown fadeInRight fadeInUp fadeInLeft>
    <ul class="nav navbar-nav">
    ...
    </ul>
</div>
...
or
...
<div class="collapse navbar-collapse">
    <ul class="nav navbar-nav" data-hover="dropdown" data-animations="fadeInDown fadeInRight fadeInUp fadeInLeft>
    ...
    </ul>
</div>
...

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