#toTopBtn {
		-webkit-transition: opacity 0.3s;
    -moz-transition: opacity 0.3s;
    transition: opacity 0.3s;
		z-index:5;
	  opacity: 0;
    padding:14px 10px 14px;
    position: fixed;
    bottom: 0px;
    right: 10px;
    background: #000;
    color: #fff;
		right: 10px;
    text-align: center;
    text-decoration: none;
    min-width: 49px;
		cursor:pointer;
		border:0.5px solid #333;
}

#toTopBtn.allowshow {
	opacity: 0.75;
}