.cd-top 
{
	border-radius:3px;
	display: inline-block;
	height: 60px;
	width: 60px;
	position: fixed;
	bottom: 73px;
	right: 10px;
	-webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
	/* image replacement properties */
	overflow: hidden;
	text-indent: 100%;
	white-space: nowrap;
	background: rgba(74, 137, 217, 1) url(../images/top.png) no-repeat center 50%;
	visibility: hidden;
	opacity: 0;
	-webkit-transition: opacity .3s 0s, visibility 0s .3s, background-color .3s 0s;
	transition: opacity .3s 0s, visibility 0s .3s, background-color .3s 0s;
}

.cd-top.cd-top--show,
.cd-top.cd-top--fade-out,
.cd-top:hover
{
	-webkit-transition: opacity .3s 0s, visibility 0s 0s, background-color .3s 0s;
	transition: opacity .3s 0s, visibility 0s 0s, background-color .3s 0s;
1}

.cd-top.cd-top--show
{
	/* the button becomes visible */
	visibility: visible;
	opacity: 1;
}

.cd-top.cd-top--fade-out
{
	/* if the user keeps scrolling down, the button is out of focus and becomes less visible */
	opacity: 1;
}

.cd-top:hover
{
	background-color: #4a89d9;
	opacity: 0.9;
}