footer{
background: black;
clear:both;
margin-top:3%;
}

#izq{
width:23%;
float:left;
background:#000;
padding: 2%;
padding-top:0%;

}
#centro{
	width:30%;
	float:left;
	background:#000;
	padding: 2%;
padding-top:0%;
}
#der{
width:34%;
float:left;
background:#000;
padding: 2%;
padding-top:0%;
text-align:center;
}