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HTML 

              
                  <!-- by Troshkin Pavel "vk.com/troshkin_pavel" Fully compatible with Chrome. All questions and suggestions please send me a mail [email protected] -->
<link href='https://fonts.googleapis.com/css?family=Boogaloo' rel='stylesheet' type='text/css'>
  
	<header>
		<h1>Auto-Play CSS Slider! Without JS!</h1>
	</header>

	<!-- 	INPUT FOR BUTTON SELECT SLIDE -->
	<input type="radio" name="next" id="slide1">
	<input type="radio" name="next" id="slide2">
	<input type="radio" name="next" id="slide3">
	<input type="radio" name="next" id="slide4">

	<!-- 	INPUT FOR BUTTON STOP&PLAY -->
	<input type="radio" name="sto" id="play" checked>
	<input type="radio" name="sto" id="stop">

	<!-- CONTAINER -->
	<div class="cont">

		<!-- BUTTON PLAY&STOP -->
		<label for="play" class="butPlay" onclick=""></label>
		<label for="stop" class="butStop" onclick=""></label>

		<!-- IMAGE -->
		<div class="image">
			<img src="https://cdn.dribbble.com/users/230034/screenshots/6843398/look-b.png?resize=800x600&vertical=center" class="oneP" 	alt="Flash">
			<img src="https://cdn.dribbble.com/users/230034/screenshots/14371467/media/ccd0b622dedf8816128f91a07463d85e.jpg?resize=800x600&vertical=center" class="twoP" 	alt="Superman">
			<img src="https://cdn.dribbble.com/users/230034/screenshots/9042735/media/816f2f0752e77dffc56f885b69e770dc.png?resize=800x600&vertical=center" class="threeP" alt="Team">
			<img src="https://cdn.dribbble.com/userupload/5014265/file/original-2ced7014133bfc26220353f64d1abb23.jpg?resize=1200x675" class="fourP" 	alt="Joker">
		</div>

		<!-- ANIMATION LINE -->
		<div class="line"></div> 

		<!-- BOTTOM LINE -->
		<div class="but">
			<label for="slide1" class="select1" onclick=""></label>
			<label for="slide2" class="select2" onclick=""></label>
			<label for="slide3" class="select3" onclick=""></label>
			<label for="slide4" class="select4" onclick=""></label>
			<div class="tooltip"></div>
		</div>

	</div>
	<footer>
		<p>2013&#9426;. Image from <a href="https://dribbble.com/theraa">R▲</a></p>
	</footer>
!

CSS 

              
                body{
	margin: 0;
}
input{
	display: none;
}
h1{
	margin: 10px auto;
	text-align: center;
	font-family: 'Boogaloo', cursive;
	font-size: 3em;
	text-shadow: 3px 3px 0px #FC8570 ;
}
p{
	font-family: Arial;
	text-align: center;
	font-size: .8em;
}
a{
	color: #FC8570;
	font-weight: bold;
	text-decoration: none;
}

/*CONTAINER*/

.cont{
	margin: 20px auto;
	display: block;
	width:700px;
	height: 420px;
	border: solid 2px #31322C;
	overflow: hidden;
}
img{
/* 	-webkit-background-size: contain;
	-moz-background-size: contain;
	background-size: contain; */
	display: inline-block;
	float: left;
	margin: 0;
	padding: 0;
  object-fit: cover;
  max-width: 700px;
}
.image{
	width: 2800px;
	height: 400px
}

/*BUTTON PLAY&STOP*/

.butPlay{
	position: absolute;
	margin: 2px;
	width: 30px;
	height: 30px;
	z-index: 2;
	background: rgba(75,78,67,.6);
	display: block;
	text-align: center;
	-webkit-user-select:none;
	-moz-user-select:none;
	-ms-user-select:none;
	user-select:none;
}
.butPlay:after{
	content: "▶";
	color: rgba(240,240,240,.8);
	font-size: 18pt;
}
.butPlay:hover{
	cursor: pointer;
	background: rgba(75,78,67,.6);
}
.butStop{
	position: absolute;
	text-align: center;
	margin: 2px;
	width: 30px;
	height: 30px;
	z-index: 1;
	background: rgba(75,78,67,.6);
	display: none;
	-webkit-user-select:none;
	-moz-user-select:none;
	-ms-user-select:none;
	user-select:none;
}
.butStop:hover{
	cursor: pointer;
	background: rgba(75,78,67,.6);
}
.butStop:after{
	content: "∎";
	color: rgba(240,240,240,.8);
	font-size: 17pt;
	z-index: 5;
	vertical-align: middle;
	font-weight: bolder;
}

/*BOTTOM LINE*/

.line{
	display: block;
	width: 0px;
	height: 20px;
	background: #9D3CFF;
}
.but{
	position: absolute;
	width: 700px;
	height: 20px;
	margin-top:-20px;
	overflow: visible;
}
.select1, .select2, .select3, .select4{
	display: inline-block;
	float: left;
	width: 174px;
	height: 20px;
	border-right: 1px solid #ACAE9F;
	background: rgba(4,106,75,.6);
	z-index: 5;
}
.select4{
	width: 175px;
	border: none;
}
.select1:hover{
	background: rgba(19,56,5,.7);
	cursor: pointer;
}
.select2:hover{
	background: rgba(19,56,5,.7);
	cursor: pointer;
}
.select3:hover{
	background: rgba(19,56,5,.7);
	cursor: pointer;
}
.select4:hover{
	background: rgba(19,56,5,.7);
	cursor: pointer;
}
.tooltip{
    width: 0;
	height: 0;
	border-style: solid;
	border-color: transparent transparent #2DAA8D transparent ;
	border-width: 8px 8px 12px 8px;
	margin: -20px 0 0 77px;
}

/*INPUT CHECKED*/

#play:checked ~ .cont .line{
	-webkit-animation: linew 16s linear infinite;
	-moz-animation: linew 16s linear infinite;
	-ms-animation: linew 16s linear infinite;
	-o-animation: linew 16s linear infinite;
	animation: linew 16s linear infinite;
}
#play:checked ~ .cont .image{
	-webkit-animation: alls 16s linear infinite;
	-moz-animation: alls 16s linear infinite;
	-ms-animation: alls 16s linear infinite;
	-o-animation: alls 16s linear infinite;
	animation: alls 16s linear infinite;
}
#play:checked ~ .cont .but .tooltip{
	-webkit-animation: tooltip 16s linear infinite;
	-moz-animation: tooltip 16s linear infinite;
	-ms-animation: tooltip 16s linear infinite;
	-o-animation: tooltip 16s linear infinite;
	animation: tooltip 16s linear infinite;
}
#play:checked ~ .cont .butPlay{
	display: none;
}
#play:checked ~ .cont .butStop{
	display: block;
}

#slide2:checked ~ .cont .image{ margin-left:-700px;}
#slide2:checked ~ .cont .but .tooltip{ margin-left: 251px;}
#slide3:checked ~ .cont .image{ margin-left:-1400px;}
#slide3:checked ~ .cont .but .tooltip{ margin-left: 428px;}
#slide4:checked ~ .cont .image{ margin-left:-2100px;}
#slide4:checked ~ .cont .but .tooltip{ margin-left: 604px;}

/*ANIMATION*/

@-webkit-keyframes linew{
	0%{width: 0px;}
	25%{width: 186px;}
	50%{width: 362px;}
	75%{width: 534px;}
	100%{width: 714px;}
}
@-webkit-keyframes alls{
	0%{margin-left: 0px;}
	23%{margin-left: 0px;-webkit-filter: blur(0px);}
	24%{-webkit-filter: blur(10px);}
	25%{margin-left:-700px;-webkit-filter: blur(0px); }
	48%{margin-left: -700px;-webkit-filter: blur(0px);}
	49%{-webkit-filter: blur(10px);}
	50%{margin-left: -1400px;-webkit-filter: blur(0px);}
	73%{margin-left: -1400px;-webkit-filter: blur(0px);}
	74%{-webkit-filter: blur(10px);}
	75%{margin-left: -2100px;-webkit-filter: blur(0px);}
	98%{margin-left: -2100px;-webkit-filter: blur(0px);}
	99%{-webkit-filter: blur(10px);}
	100%{margin-left: 0px;-webkit-filter: blur(0px);}
}
@-webkit-keyframes tooltip{
	0%{margin-left: 77px;}
	23%{margin-left: 77px;}
	25%{margin-left:251px; }
	48%{margin-left: 251px;}
	50%{margin-left: 428px;}
	73%{margin-left: 428px;}
	75%{margin-left: 604px;}
	98%{margin-left: 604px;}
	100%{margin-left: 77px;}
}

@keyframes linew{
	0%{width: 0px;}
	25%{width: 186px;}
	50%{width: 362px;}
	75%{width: 534px;}
	100%{width: 714px;}
}
@keyframes alls{
	0%{margin-left: 0px;}
	23%{margin-left: 0px;}
	25%{margin-left:-700px; }
	48%{margin-left: -700px;}
	50%{margin-left: -1400px;}
	73%{margin-left: -1400px;}
	75%{margin-left: -2100px;}
	98%{margin-left: -2100px;}
	100%{margin-left: 0px;}
}
@keyframes tooltip{
	0%{margin-left: 77px;}
	23%{margin-left: 77px;}
	25%{margin-left:251px;}
	48%{margin-left: 251px;}
	50%{margin-left: 428px;}
	73%{margin-left: 428px;}
	75%{margin-left: 604px;}
	98%{margin-left: 604px;}
	100%{margin-left: 77px;}
}


.image, .tooltip{-webkit-transition: all 500ms cubic-bezier(0.350, 0.080, 0.905, 0.460); 
   -moz-transition: all 500ms cubic-bezier(0.350, 0.080, 0.905, 0.460); 
    -ms-transition: all 500ms cubic-bezier(0.350, 0.080, 0.905, 0.460); 
     -o-transition: all 500ms cubic-bezier(0.350, 0.080, 0.905, 0.460); 
        transition: all 500ms cubic-bezier(0.350, 0.080, 0.905, 0.460); /* custom */

-webkit-transition-timing-function: cubic-bezier(0.350, 0.080, 0.905, 0.460); 
   -moz-transition-timing-function: cubic-bezier(0.350, 0.080, 0.905, 0.460); 
    -ms-transition-timing-function: cubic-bezier(0.350, 0.080, 0.905, 0.460); 
     -o-transition-timing-function: cubic-bezier(0.350, 0.080, 0.905, 0.460); 
        transition-timing-function: cubic-bezier(0.350, 0.080, 0.905, 0.460); /* custom */
    }
!

JS 

              
                /*by Troshkin Pavel "vk.com/troshkin_pavel" Slider with auto-play. Without JS! subscribe to my work!*/
!
999px

Console