footer {
	width:100%;
	float:left;
	text-align:center;
	background:#282828;	 
    /*height: 70px;*/
    position: fixed;
    bottom: 0;
    transition: bottom 0.2s ease-in-out;
    width: 100%; 
	z-index:9999;
	
}

.nav-down{
    /* bottom: -80px; */
}