Combining zoom and rotation can make a beautiful transition effect for your site slider. The following code is an automatic slider; which means a slider with automatic transition effect. It is made of just CSS and HTML and get the full page width.


HTML
<!-- This script got from www.devanswer.com -->
<div id="CrossFade">
	<img src="http://devanswer.com/codes/files/fruit1.jpg" alt="img"/>
	<img src="http://devanswer.com/codes/files/fruit2.jpg" alt="img"/>
	<img src="http://devanswer.com/codes/files/fruit3.jpg" alt="img"/>
	<img src="http://devanswer.com/codes/files/fruit4.jpg" alt="img"/>
	<div class="intro">
		<h1>Fruits are Tasty!</h1>
		<p>Which fruit do you like? Which fruit do you eat? Select your desire fruit! Share your desire fruit image and make your fruity friends!</p>
	</div>
</div>
<link href='https://fonts.googleapis.com/css?family=Roboto:400,300,100,700,900&subset=latin,cyrillic'><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com">Developers Answer</a></div>
                        

CSS
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  font-size: calc(0.5vw + 1vh + 0.5vmin);
}
body {
  font: 100 50%/1.5 'Roboto', sans-serif;
}
.intro {
  position: relative;
  margin: 2em;
  padding: 0.2em 0.6em;
  cursor: pointer;
  color: #fff;
  font-size: 2em;
  max-width: 26em;
}
.intro h1 {
  margin-bottom: 0.5em;
  line-height: 1;
  font-weight: 100;
}
#CrossFade {
  background: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
#CrossFade img {
  position: absolute;
  min-width: 100%;
  min-height: 100%;
  height: auto;
  background: #000;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  opacity: 0;
  -webkit-transform: scale(1.4) rotate(12deg);
          transform: scale(1.4) rotate(12deg);
  -webkit-animation: CrossFade 24s infinite;
          animation: CrossFade 24s infinite;
}
#CrossFade img:nth-child(3) {
  -webkit-animation-delay: 6s;
          animation-delay: 6s;
}
#CrossFade img:nth-child(2) {
  -webkit-animation-delay: 12s;
          animation-delay: 12s;
}
#CrossFade img:nth-child(1) {
  -webkit-animation-delay: 18s;
          animation-delay: 18s;
}
/* 

$duration = 12
$slides = 4
$step = $duration/$slides
setDelayRevers($duration, $slides)
  
  for index in (2..$slides)
    &:nth-child({index -1}) 
      animation-delay ($step*index)s

#CrossFade
  height 100vh
  overflow hidden
  position relative
  
  display flex
  img
    align-self center
    position absolute
    
    min-width 100%
    min-height 100%
    height auto
    
    backface-visibility hidden
    opacity 0
  
    transform scale(1.4) rotate(12deg)
    animation CrossFade ($duration)s infinite 
    setDelayRevers($duration, $slides)   
@keyframes CrossFade
  25%
    opacity 1
    transform scale(1) rotate(0)
  40%
    opacity 0
    
*/
@-webkit-keyframes CrossFade {
  25% {
    opacity: 1;
    -webkit-transform: scale(1) rotate(0);
            transform: scale(1) rotate(0);
  }
  40% {
    opacity: 0;
  }
}
@keyframes CrossFade {
  25% {
    opacity: 1;
    -webkit-transform: scale(1) rotate(0);
            transform: scale(1) rotate(0);
  }
  40% {
    opacity: 0;
  }
}