body{
	background-image: url("imagenes/fondo5.jpg");
	
	width:80%;
	color:#FFF;
	margin: 0px auto 0px;
	height: 200px;
	font-size: 13px;
}
section {
	text-align:center;
	 
		
}

#columan {
	background-color:#CCC;
	column-count: 3;
	column-gap: 50px;
	column-rule: 1px solid #666;
	text-align: justify;
	color:#006;
	margin: 0px auto 0px;
	font-family:sans-serif ;
	font-size: 20px;
}
	
.slider {
	width: 100%;
	margin: auto%;
	overflow: hidden;
	
}
.slider ul{
     display: flex;
     padding: 0; 
	 width: 400%;
	 
	 animation: cambio 20s infinite alternate;
}

.slider li {
	width: 100%;
	list-style: none;
}

.slider img {
	width: 100%;
}

@keyframes cambio {
	0% {margin-left: 0;}
	20% {margin-left: 0;}
	
	25% {margin-left: -100%;}
	45% {margin-left: -100%;}
	
	50% {margin-left: -200%;}
	70% {margin-left: -200%;}
	
	75% {margin-left: -300%;}
	100% {margin-left:-300%;}

}

header{
	background-color:#CCC;
    font-family:serif ;
	width:100%;
	text-align:center;
	color:#009;
	margin: 5px auto 0px;
	height: 100px;
	font-size: 15px;
}

nav{
	background-color: #CCC;
	width: 100%;
	text-align: center;
	color: #333;
	margin: 15px 0px;
	height: 50px;
	font-size: 20px;
	 font-family:fantasy ;
}

footer{
	background-color:#999;
	width: 100%;
	text-align: center;
	color: #FFF;
	margin: 20px 0px;
	height: 30px;
	font-size: 15px;
}

hover {
	font-size:20px;
	color:#00F;
	text-decoration: none;
}