JSFiddle - React, Tailwind, and code Playground

HTML

<div class="cont">
</div>

CSS

body {
    background-image: url("http://ldl-tech.com/wp-content/uploads/2016/05/bg01.jpg");
    background-position: center top;
    background-size: auto;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.cont {
    max-width: 80%;
    height: 500px;
    margin: 30px auto;
    background-color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}