JSFiddle - React, Tailwind, and code Playground

by BamBamm

HTML

<container>
    <block>1</block>
    <block>2</block>
    <block>3</block>
    <block>4</block>
    <block>5</block>
    <block>6</block>
    <block>7</block>
    <block>8</block>
    <block>9</block>
    <block>Back</block>
    <block>0</block>
    <block>OK</block>
</container>

CSS

container {
    width: 100%;
    border: 1px solid black;
    display: inline-block;
}
block {
    display: inline-block;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    width: calc(33.333% - 10px);
    height: 100px;
    margin: 5px;
    background: grey;
    float: right;
}
block[v2] {
    height: 210px;
}
block[h2] {
    width: calc(50% - 10px);
}