JSFiddle - React, Tailwind, and code Playground

CSS

div {
    margin: 5px;
    background: linear-gradient(to top, #D8D8D8 30%, #FAFAFA 100%);
    width: 230px;
    height: 23px;
    box-shadow:  0 0 3px 1px #BDBDBD;
    border-radius: 5px;
    display: inline-block;
    text-align: center;
    line-height: 25px;
    font-size: 1.2em;
}

div:nth-of-type(1)::after {content: '123';}
div:nth-of-type(2)::after {content: '2';}
div:nth-of-type(3)::after {content: '3';}
div:nth-of-type(4)::after {content: '4';}
div:nth-of-type(5)::after {content: '5';}
div:nth-of-type(6)::after {content: '6';}