JSFiddle - React, Tailwind, and code Playground

HTML

<form action="" method="">
    <label for="username">Username</label>
    <input type="text" id="username" />
    <label for="password">Password</label>
    <input type="password" id="password" />
    <input type="submit" value="Logga in" />
</form>

CSS

form {
    width: 350px;
    margin: 20px;
}
label {
    width: 150px;
    height: 28px;
    margin: 0 0 5px 0;
    display: block;
    float: left;
    line-height: 28px;
}
input {
    padding: 5px;
    margin: 0 0 5px 0;
    display: block;
    float: right;
}