JSFiddle - React, Tailwind, and code Playground

by SpiceLab

HTML

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

CSS

#gallerySlider .placeholder  {
 position:relative;
}
#gallerySlider .placeholder::after {
display:block;
content:"";
position: absolute;
left: 30px;
top: 60px;
width: 100px;
height: 10px;
background-image:url(http://www.siegl-web.de/wasserz/images/wasserzeichen.png);
background-repeat: no-repeat;
background-size: 100px 10px;
z-index: 100;
}