<div class="contents">text</div>
<div class="cp_snslink03">
<ul class="cp_link_list">
<li class="cp_link"><a href="#"><i class="fa fa-facebook fa-fw"></i>facebook</a></li>
<li class="cp_link"><a href="#"><i class="fa fa-twitter fa-fw"></i>twitter</a></li>
<li class="cp_link"><a href="#"><i class="fa fa-google-plus fa-fw"></i>google+</a></li>
<li class="cp_link"><a href="#"><i class="fa fa-instagram fa-fw"></i>instagram</a></li>
</ul>
</div>

* {
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
}
body {
	/*設置する親要素ページ全体ならbodyなど*/
	position: relative;
	height: 100vh;
	margin: 0;
	padding: 0;
}
.contents {
	/*サンプルはfixedの確認のためにheight指定しています。*/
	height: 2000px;
}
.cp_snslink03 {
	position: fixed;
	top: 50%;
	right: 0;
	display: block;
	overflow: hidden;
	margin: 0;
	padding: 0 0 0 5px;
	-webkit-transform: translateY(-50%);
	        transform: translateY(-50%);
}
.cp_snslink03 .cp_link_list {
	width: 150px;
	margin: 0;
	padding: 0;
	list-style: none;
}
.cp_snslink03 .cp_link_list .cp_link {
	position: relative;
	right: -120px;
	margin: 10px 0;
	padding: 5px;
	cursor: pointer;
	-webkit-transition: right 0.6s ease-in-out;
	        transition: right 0.6s ease-in-out;
	text-align: left;
	background: #80deea;
	border: 1px dashed #0097A7;
	border-right: none;
	-webkit-box-shadow: 0px 0px 0px 3px #80deea;
	box-shadow: 0px 0px 0px 3px #80deea;
}
.cp_snslink03 .cp_link_list .cp_link i {
	margin-right: 10px;
}
.cp_snslink03 .cp_link_list .cp_link:hover {
	right: 0;
	background: #00bcd4;
	-webkit-box-shadow: 0px 0px 0px 3px #00bcd4;
	box-shadow: 0px 0px 0px 3px #00bcd4;
}
.cp_snslink03 .cp_link_list .cp_link a {
	text-decoration: none;
	color: #1a237e;
}
.cp_snslink03 .cp_link_list .cp_link:hover a {
	color: #ffffff;
}