JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<div class="header"><h1>Сап двощ</h1></div>
	<div class="site">
    <div class="content"></div>
    </div>
</body>
</html>

CSS

.site {
	width: 800px ;
outline: 1px solid #cccccc;
padding: 10px;
margin: 0 auto;


}
.header {
    margin: 0;
    padding: 0;
	background: linear-gradient(#1D0822, #77488D);
	outline: 1px solid #cccccc;
	}