JSFiddle - React, Tailwind, and code Playground

HTML

<div class="q q1">1</div>
<div class="q34">34</div>

CSS

@page {
    size: A4;
    margin: 0;
    padding: 0;
}
body, div {
    margin: 0;
    padding: 0;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
.q {
 max-width: 100%;
    max-height: 50%;
    min-width: 100%;
    min-height: 50%;
    width: 100%;
    height: 50%;
    display:inline-block;
    border: 1px solid grey;
}
.q34 {
    max-width: 100%;
    max-height: 50%;
    min-width: 100%;
    min-height: 50%;
    width: 100%;
    height: 50%;
    display:inline-block;
    border: 1px solid grey;
}



.q { float: left; }
.q34 { clear: both; }

html, body{
    height: 100%;
}