JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" class="contactInput" value="my string">

CSS

.contactInput
{
    border:0;
    margin:0;
    padding:0;
    background-color:#000000;
    color:#ffffff;
    height:22px;
    width:290px;
    padding-left:5px;
}