JSFiddle - React, Tailwind, and code Playground

HTML

<div class="header">
    <div class="snow"></div>
</div>

CSS

.header {
  width: 100%;
  height: 350px;
  background-image: url(https://s-media-cache-ak0.pinimg.com/originals/fa/6c/d2/fa6cd2d0ff6f0b0f6b89537b7d608a00.jpg);
}

.snow {
  width: 100%;
  height: 100%;
  background-image: url(http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz/jYVY58x65QgvLU6RVkj81CWN1HI1F6DVWibNczicqmrX1a0Hmeb8FicZOOZ8Gia7Kib67M9Dw6QKjZhEcya93c2ia7zA/0?wx_fmt=gif);
  background-size: 100%;
}