JSFiddle - React, Tailwind, and code Playground

HTML

<header>
    <img src="http://placehold.it/200x65" alt="" />
     <h1>Tagline goes here</h1>
</header>

CSS

header {
    background: #eee;
    width: 80%;
    text-align: center;
        display: inline-block;
    vertical-align: bottom;
}
header > * {

}
header h1 {
    font-size: 20px;
    line-height: 1;
    margin: 0;
}