JSFiddle - React, Tailwind, and code Playground

HTML

<div id="button">
    <div id="plus">Hello my name is borat</div>
</div>

CSS

#button {
    position : relative;
    width : 100px;
    height : 100px;
    border-radius : 100%;
    background-color : red;
}
#plus {
    display : inline-block;
    position : absolute;
    width : 50%;
    height : 50%;
    margin : auto;
    left : 0px;
    right: 0;
    top: 0;
    bottom: 0;
    font-family : sans-serif;
    font-size : 40px;
    color : black;
    vertical-align : middle;
    text-align: center;
}