.slider{
	width: 100%;
	margin: auto;
	overflow: hidden;
}

.slider ul {
	display: flex;
	padding: 0;
	width: 300%;

	animation: cambio 10s infinite alternate;
}

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

.slider img {
	width: 100%;
}

@keyframes cambio {
	0% {margin-left: 0;}
	30% {margin-left: 0;}

	35% {margin-left: -100%;}
	60% {margin-left: -100%;}

	65% {margin-left: -200%;}
	100% {margin-left: -200%;}
}