JSFiddle - React, Tailwind, and code Playground

HTML

<label>Username</label>
<label>Password</label>

<input type="text" />
<input type="text" />

<input type="button" value="Login" />

CSS

label, input[type=text] {
    width: 150px;
    float: left;
}

label + input[type=text] {
    /*clear: left;*/
}

input[type=button] {
    float: left;
}