JSFiddle - React, Tailwind, and code Playground

HTML

<div class="main">
  <div class="item">design<span class="icon-cross">x</span></div>
  <div class="item">and<span class="icon-cross">x</span></div>
  <div class="item">other<span class="icon-cross">x</span></div>
  <div class="item">titles<span class="icon-cross">x</span></div>
</div>

CSS

.main {
  font-family: arial;
	line-height: 30px;
	margin: 10px 0;

}
.main .item {
	background: blue;
	color: #fff;
	float: left;
	font-size: 16px;
	padding: 0 13px;
	border-radius: 10px;
	margin-right: 5px;
	margin-top: 4px;
	position: relative;
	z-index: 1;
}

.main .item span.icon-cross {
	font-size: 15px;
	padding-left: 4px;
	cursor: pointer;
}
.main .item  span.icon-cross:hover::after {
	background: DodgerBlue;
	border-radius: 10px;
	display: block;
	position: absolute;
	z-index: -1;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	content: "";
}