.slider-frame {
	width: 90%;
    height: auto;
	margin-top:50px;
	margin-left: 5.5%; 
	overflow: hidden;
	margin-bottom: 2em;
}

.slider-frame ul {
	display: flex;
	padding: 0;
	width: 400%;
	
	animation: slide 20s infinite alternate ease-in-out;
}

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

.slider-frame img {
	width: 100%;
}

@keyframes slide {
	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%;}
}

@media screen and (max-width: 364px) {
.slider-frame {
	width: 300px;
    height: auto;
	margin:1em auto 0;
	overflow: hidden;
	margin-bottom: .5em;
}
}