JSFiddle - React, Tailwind, and code Playground

by SpiceLab

HTML

<div id="galleryOverlay">
  <div id="gallerySlider">
    <div class="placeholder">
      <img src="http://www.siegl-web.de/wasserz/gallerie/pic-1.jpg">
    </div>	
  </div>
</div>

CSS

body {min-width:340px}
/* The gallery overlay */

#galleryOverlay{
	width:100%;
	height:100%;
	position:fixed;
	top:0;
	left:0;
	opacity:1;
	z-index:100000;
	/*background-color:#fff;*/
	background: url("http://www.siegl-web.de/wasserz/images/touchtouch/bg_transparent.png");
	/*background-color:rgba(0,0,0,0.8);*/
	overflow:hidden;
	/*display:none;*/
	
	-moz-transition:opacity 1s ease;
	-webkit-transition:opacity 1s ease;
	transition:opacity 1s ease;
}

/* This class will trigger the animation */

#galleryOverlay.visible{
	opacity:1;
}

#gallerySlider{
	height:100%;
	
	left:0;
	top:0;
	
	width:100%;
	white-space: nowrap;
	position:absolute;
	
	-moz-transition:left 0.4s ease;
	-webkit-transition:left 0.4s ease;
	transition:left 0.4s ease;
}

#gallerySlider .placeholder{
	background: url("../images/touchtouch/preloader.gif") no-repeat center center;
	height: 100%;
	line-height: 1px;
	text-align: center;
	width:100%;
	display:inline-block;
}

/* The before element moves the
 * image halfway from the top */

#gallerySlider .placeholder:before{
	content: "";
	display: inline-block;
	height: 50%;
	width: 1px;
	margin-right:-1px;
}

#gallerySlider .placeholder img{
	display: inline-block;
	max-height: 100%;
	max-width: 100%;
	vertical-align: middle;
}

#gallerySlider.rightSpring{
	-moz-animation: rightSpring 0.3s;
	-webkit-animation: rightSpring 0.3s;
}

#gallerySlider.leftSpring{
	-moz-animation: leftSpring 0.3s;
	-webkit-animation: leftSpring 0.3s;
}

/* Firefox Keyframe Animations */

@-moz-keyframes rightSpring{
	0%{		margin-left:0px;}
	50%{	margin-left:-30px;}
	100%{	margin-left:0px;}
}

@-moz-keyframes leftSpring{
	0%{		margin-left:0px;}
	50%{	margin-left:30px;}
	100%{	margin-left:0px;}
}

/* Safari and Chrome Keyframe Animations */

@-webkit-keyframes rightSpring{
	0%{		margin-left:0px;}
	50%{	margin-left:-30px;}
	100%{	margin-left:0px;}
}

@-webkit-keyframes leftSpring{
	0%{		margin-left:0px;}
	50%{	margin-left:30px;}
	100%{	margin-left:0px;}
}

/* Arrows...