Я не знаю, как ваш тэг span
<a href="#withTagEle"><i
class="fa fa-male"></i></span> 10.58.1D.50.1F.FB
<button class="btn-xs pull-right showOnHover viewInfoOfElement">View</button>
<button class="btn-xs pull-right showOnHover editElementInfo">Edit</button>
</a>
Это новый HTML, надеюсь, этот код работает с вами
HTML
<a class="content" href="#withTagEle">
<i class="fa fa-male"></i><span> 10.58.1D.50.1F.FB</span>
<button class="btn-xs pull-right showOnHover viewInfoOfElement">View</button>
<button class="btn-xs pull-right showOnHover editElementInfo">Edit</button>
</a>
CSS
a.content {
display: flex;
justify-content: space-between;
}
button.btn-xs.pull-right.showOnHover.viewInfoOfElement {
margin-left: auto;
margin-right: 3px;
}