JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr><td>test</td><td>test</td><td>test</td></tr>
    <tr><td>test</td><td>test</td><td>test</td></tr>
    <tr><td>test</td><td>test</td><td>test</td></tr>
    <tr><td>test</td><td>test</td><td>test</td></tr>
    <tr><td>test</td><td>test</td><td>test</td></tr>
</table>

CSS

table
{
    border: 2px inset #888;
    width: 100%;
    margin: auto;
    background-color: #61915f;
    text-align: center;
    border-radius: 25px 25px 25px 25px;
    -moz-border-radius: 25px 25px 25px 25px;
    -ms-border-radius: 25px 25px 25px 25px;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: -moz-none;
    -o-user-select: none;
    user-select: none;
    -ms-user-select: none;
    border-collapse: separate
}