JSFiddle - React, Tailwind, and code Playground

HTML

<textarea rows="2" cols="20" class="HighLightWhiteBoard">Vad sägs om mario</textarea>

CSS

.HighLightWhiteBoard {
    height:150px;
    width:295px;
    font-family:Arial;
    padding: 20px;
    background: #000;
    border: none;
    color: #fff;
}