JSFiddle - React, Tailwind, and code Playground

HTML

<div class="headercontainer">
        	<header>
            	<ul>
                	<li>Home</li>
                    <li>Serviços</li>
                    <li>Trabalhos</li>
                    <li>Contato</li>
                </ul>
            </header>
</div>

CSS

.headercontainer{
		position:fixed;
		height:80px;
		width:500px;
		background-color:#f5f5f5;
	}
		.headercontainer header{
			padding:0 10px 0 10px;
			height:inherit;
		}
			.headercontainer ul{
				list-style:none;
				word-spacing:20px;
				border:1px solid black;
				padding:0px;
				margin:0px;
				width:300px;
				float:right;
				height:inherit;
			}
				.headercontainer li{
				    line-height: 80px;
					display:inline-block;
					height:inherit;
					vertical-align:middle;
				}