<ul class="cp_tag02">
<li><a href="#">Dog</a></li>
<li><a href="#">Cat</a></li>
<li><a href="#">Rabbit</a></li>
</ul>

.cp_tag02 {
	list-style: none;
	margin: 0;
	overflow: hidden;
	padding: 0;

	position: absolute;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%,-50%);
					transform: translate(-50%,-50%);
}
.cp_tag02 li {
	display: inline-block;
}
.cp_tag02 a {
	line-height: 26px;
	position: relative;
	display: inline-block;
	height: 26px;
	margin: 0 0px 10px 10px;
	padding: 0 20px 0 23px;
	-webkit-transition: color 0.2s;
	        transition: color 0.2s;
	text-decoration: none;
	color: #ffffff;
	border-radius: 0 3px 3px 0;
	background: #0089e0;
}
.cp_tag02 a::before, .cp_tag02 a::after {
	background: #fafcfc;/*背景色*/
}
.cp_tag02 a::before {
	position: absolute;
	top: 10px;
	left: 3px;
	width: 6px;
	height: 6px;
	content: '';
	border-radius: 10px;
}
.cp_tag02 a::after {
	position: absolute;
	top: -1px;
	left: -6px;
	width: 0;
	height: 0;
	content: '';
	border-style: solid;
	border-width: 14px 8px 14px 0;
	border-color: transparent #0089e0 transparent transparent;
	border-radius: 4px;
}
.cp_tag02 a:hover {
	background: #555555;
}
.cp_tag02 a:hover:after {
	border-color: transparent #555555 transparent transparent;
}