.slider{width:95%;margin:auto;overflow:hidden}.slider ul{display:flex;padding:0;width:400%;animation:cambio 28s infinite alternate linear}.slider li{width:100%;list-style:none}.slider img{width:100%}@keyframes cambio {
		0% {margin-left: 0;}34% {margin-left: 0;}
		36% {margin-left: -100%;}61% {margin-left: -100%;}
	    63% {margin-left: -200%;}81% {margin-left: -200%;}
		83% {margin-left: -300%;}100% {margin-left: -300%;}
}