bootstrap 4 bg-dark list-group-item list-group-item-action action code example
Example 1: bootstrap ul no style
<ul class="list-unstyled">
<li>...</li>
</ul>
Example 2: list hover bootstrap
...
<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>
...