.slider{
	width: 60%;
	margin: auto;
	overflow: hidden;
}
	
.slider ul{
	display: flex;
	padding: 0;
	width: 400%;
	
	animation: cambio 30s infinite alternate ease-in;
}

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

.slider img{
	width: 95%;
}


@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%;}
/*	
	75% {margin-left: -400%;}
	100% {margin-left: -400%;}
	
	75% {margin-left: -500%;}
	100% {margin-left: -500%;}*/
	
}










/*
* {
		box-sizing: border-box;
	}

	body {
		background: #121314;
	}

	body > ul {
		position: absolute;
		top: 50%;
		width: 800px;
		height: 200px; 
		left: 50%;
		margin-left: -400px;
		margin-top: -130px;
	}
 
	ul > li {
		width: 25%;
		list-style-type: none;
		position: absolute;
		top: 0;
		padding: 20px;
		height: 200px; 
		opacity: 0;
		padding-top: 40px;
		text-align: center;
		transition: 1s opacity; 
	}

	.active {
		opacity: 1;
	}
  
	p {
		font-family: sans-serif;
		font-size: 13px;
    color: #646566;
		line-height: 1.5em;
	}

	strong { 
    color: #fff;
    font-weight: 700;
		font-size: 60px; 
    line-height: 100px; 
	}
	
*/