JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <label for="firstname">First Name:</label><input type="text" id="firstname">
    <label for="lastname">Last Name:</label><input type="text" id="lastname">
    <label for="email">E-Mail:</label><input type="text" id="email">
    <label for="phone">Phone:</label><input type="text" id="phone">
</form>

CSS

label, input {
    display: inline-block;
    vertical-align: baseline;
    width: 125px;
}

label {
    color: #2D2D2D;
    font-size: 15px;
}

form, input {
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
}

form {
    width: 300px;
}