body {
    background-image: url("../img/textura_cortada-AHrVGlR.jpg");
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: 100% 100%;
    width: 100%;
}

.float{
	position:fixed;
	width:10vw;
	max-width: 65px;
	height:10vw;
	max-height: 65px;
	bottom:40px;
	right:40px;
	background-color:#0C9;
	color:#FFF;
	border-radius:50px;
	text-align:center;
	box-shadow: 2px 2px 3px #999;
}