header{
		position: absolute;
        width: 100%;
        top:0;
        height:6%;
}
main{
		position: absolute;
        top:8%;
        height:75%;
        width:100%;

}

footer{
		position:fixed;
        height:6%;
        width:100%;
        bottom: 0;
}

.float{
	position:fixed;
	width:60px;
	height:60px;
	bottom:40px;
	right:40px;
	background-color:#000;
	color:#FFF;
	border-radius:50px;
	text-align:center;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
}

.my-float{
	margin-top:22px;
}