JSFiddle - React, Tailwind, and code Playground

HTML

<body>

<div class="conteudo">
conteudo aqui
</div>
    
    
</body>

CSS

body {
    background:url('http://www.sescsp.org.br/files/programacao/dfccad50-5568-47dd-803b-7315ab590ead.jpg') repeat-x top #000;
}

.conteudo { width:400px; margin:0 auto; background:#333; color:#FFF; height:400px; }