JSFiddle - React, Tailwind, and code Playground

HTML

<button type="button" class="button1">Demo button</button>

CSS

button {
    height: 28px;
    text-align: center;
    background-color: #F8F8F8;
    border-radius: 10px;
    border-color: #00E8E8;
    border-style:solid;
    border-width: 3px;
}

button:over {

    background-color: #F800F8;

}