#sidebar {
	width:110px;
	overflow:hidden;
	position:fixed;
	bottom:20px;
	z-index:99;
}
#sidebar ul {
	position:relative;
	overflow:hidden;
	opacity: 0;
  	transition: all 1s;
}
#sidebar ul.show {
	opacity: 1;
}
#sidebar ul.hide {
	opacity: 0;
  	transition: all 1s;
}
#sidebar ul li {
	cursor:pointer;
	margin-bottom: 20px;
}
#sidebar ul li a, #sidebar .goTop{
	display: flex;
	flex-direction: column;
	align-items: center;
}
#sidebar ul li img{
	width: 40px;
}
#sidebar ul li div{
    width: 35px;
    height: 35px;
    text-align: center;
    border: 1px solid rgba(0,0,0,.1);
    background: rgba(255,255,255,.2);
    border-radius: 5px;
    padding: 5px;
    display: block;
    position: relative;
    margin: auto;
    box-sizing: border-box;
    font-size: 15px;
}

#sidebar .rotate{
	-webkit-animation: rotate 8s linear infinite;
    animation: rotate 8s linear infinite;
}