<ul class="cp_tag03">
<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_tag03 {
	margin: 0;
	padding: 0;
	position: absolute;
	top: 50%;
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	-webkit-transform: translate(-50%,-50%);
					transform: translate(-50%,-50%);
}
.cp_tag03 li {
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.cp_tag03 a {
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	z-index: 2;
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	border-style: solid;
	border-width: 3px;
	border-radius: 10px 0 0 10px;
	border-color: #fafafa;
	-webkit-transition: 0.3s ease-out;
	        transition: 0.3s ease-out;
}
.cp_tag03 a:hover:after {
	border-color: #FF7043;
}
.cp_tag03 span {
	font-size: 0.8em;
	line-height: 25px;
	position: absolute;
	top: 0;
	left: 100%;
	overflow: hidden;
	height: 26px;
	max-width: 40px;
	padding: 0 7px 0 6px;
	color: #555555;
	border-width: 1px 1px 1px 0;
	border-style: solid;
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	border-radius: 0 12px 12px 0;
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	text-shadow: 0 1px #ffffff;
	-webkit-transition: 0.3s ease-out;
	        transition: 0.3s ease-out;
}
.cp_tag03 li:hover span {
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	background: #FF7043;
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}