JSFiddle - React, Tailwind, and code Playground

HTML

<div id="header">
        <div class="user-header">
             <label class="user"></label>
              <a class="" href="#">Logout</a>
        </div>
        <div class="logo">
             <a href="index.php"><img src="#"/></a>
        </div>
        <div class="company-header">
            <a title="title" href="index.php"><b>Hello</b></a>
        </div>
        <div style="clear:both; height:1px; width:99%" ></div>
    </div>

CSS

#header {
    width: 600px;
    background-color: #585D63;
    padding: 15px 0px;
}

#header .logo {
    float: left;
    margin-left: 30px;
}

#header .logo img {
    height: auto;
}

#header .company-header {
    font-size: 150%;
    letter-spacing: 1px;
    text-align: center;
    width: 200px; 
    margin: 0 auto;
}

#header .user-header {
    float: right;
    margin-right: 30px;
}

#header .user-header a {
    max-width: 120px;
    height: auto;
}