JSFiddle - React, Tailwind, and code Playground

HTML

<body class="bg">

  <div class="smal">

  </div>
</body>

CSS

.bg{
    background: url(http://wp.widewallpapers.net/2k/nature/lakes/1600x900/lake-1600x900-028.jpg);
    margin:0;
    padding:0;
}
.big{
  display:inline-block;
  width:50%;
  height:200px;
  float:left;
    background: url(http://images2.fanpop.com/images/photos/7800000/Nature-Full-HD-Wallpaper-national-geographic-7822735-1920-1080.jpg);
}
.smal{
  display:inline-block;
  width:50%;
  height:100px;
    background: url(http://images2.fanpop.com/images/photos/7800000/Nature-Full-HD-Wallpaper-national-geographic-7822735-1920-1080.jpg);
}