<ul class="cp_tag04">
<li><a href="#">Dog<span>4</span></a></li>
<li><a href="#">Cat<span>108</span></a></li>
<li><a href="#">Rabbit<span>15</span></a></li>
</ul>

.cp_tag04 {
	margin: 0;
	padding: 0;
	position: absolute;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%,-50%);
					transform: translate(-50%,-50%);
}
.cp_tag04:before, .cp_tag04:after {
	display: table;
	content: '';
}
.cp_tag04:after {
	clear: both;
}
.cp_tag04 li {
	position: relative;
	display: inline-block;
	margin: 0 30px 8px 10px;
	list-style: none;
}
.cp_tag04 li:active {
	margin-top: 1px;
	margin-bottom: 7px;
}
.cp_tag04 li:after {
	position: absolute;
	z-index: 2;
	top: 7px;
	right: -0.9px;
	content: '';
	opacity: 0.95;
	display: inline-block;
	width: 0;
	height: 0;
	border-style: solid;
	border-width: 6px 6px 6px 0;
	border-color: transparent #7E57C2 transparent transparent;
}
.cp_tag04 a, .cp_tag04 span {
	display: block;
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
}
.cp_tag04 a {
	line-height: 23px;
	height: 26px;
	padding: 0 9px 0 8px;
	text-decoration: none;
	color: #555555;
	border-width: 1px 0 1px 1px;
	border-style: solid;
	border-color: #dadada #d2d2d2 #c5c5c5;
	border-radius: 3px 0 0 3px;
	background: #fafafa;
	text-shadow: 0 1px white;
}
.cp_tag04 a:hover span {
	max-width: 40px;
	padding: 0 7px 0 6px;
}
.cp_tag04 span {
	font-size: 0.8em;
	line-height: 21px;
	position: absolute;
	z-index: 2;
	top: 1px;
	left: 100%;
	overflow: hidden;
	max-width: 0;
	height: 24px;
	padding: 0 0 0 2px;
	-webkit-transition: 0.3s ease-out;
	        transition: 0.3s ease-out;
	-webkit-transition-property: padding, max-width;
	        transition-property: padding, max-width;
	opacity: 0.9;
	color: #ffffff;
	border: 1px solid;
	border-color: #7E57C2 #673AB7 #512DA8 #7E57C2;
	border-radius: 0 2px 2px 0;
	background: #7E57C2;
	text-shadow: 0 -1px rgba(0, 0, 0, 0.3);
}