<div class='item'>0</div>
<div class='item'>1</div>
<div class='item'>2</div>
<div class='item'>3</div>
<div class='item'>4</div>
<div class='item'>5</div>
<div class='item'>6</div>
<div class='item'>7</div>
<div class='item'>8</div>
<div class='item'>9</div>
<div class='item'>10</div>
<div class='item'>11</div>
<style>
.item {
position: absolute;
margin: calc(50vh - 1em) 0 0 calc(50vw - 1em);
width: 2em;
height: 2em;
transform: rotate(var(