JSFiddle - React, Tailwind, and code Playground

HTML

<button>text</button>
<button class="flex">text</button>
<button class="flex flex-center">text</button>

CSS

button {
    width: 200px;
    height: 50px;
}

.flex {
   display: flex;
}

.flex-center {
   justify-content: center;
}