JSFiddle - React, Tailwind, and code Playground
HTML
<body>
<p>hi</p>
</body>
CSS
body{
background: #23458E;
background-image: url('http://subtlepatterns.com/patterns/cream_pixels.png'); /* fallback */
background-image: url('http://subtlepatterns.com/patterns/cream_pixels.png'), -webkit-gradient(linear, left top, left bottom, from(#23458E), to(#2661A8)); /* Saf4+, Chrome */
background-image: url('http://subtlepatterns.com/patterns/cream_pixels.png'), -webkit-linear-gradient(top, #23458E, #2661A8); /* Chrome 10+, Saf5.1+ */
background-image: url('http://subtlepatterns.com/patterns/cream_pixels.png'), -moz-linear-gradient(top, #23458E, #2661A8); /* FF3.6+ */
background-image: url('http://subtlepatterns.com/patterns/cream_pixels.png'), -ms-linear-gradient(top, #23458E, #2661A8); /* IE10 */
background-image: url('http://subtlepatterns.com/patterns/cream_pixels.png'), -o-linear-gradient(top, #23458E, #2661A8); /* Opera 11.10+ */
background-image: url('http://subtlepatterns.com/patterns/cream_pixels.png'), linear-gradient(top, #23458E, #2661A8); /* W3C */
}