JSFiddle - React, Tailwind, and code Playground
by mizobata
HTML
<div class="array">
A
<div class="key">A</div>
<div class="val">B</div>
<div class="key">C</div>
<div class="val">D</div>
<div class="key">E</div>
<div class="val">F</div>
</div>
CSS
.array {
position: relative;
}
.array div {
position: absolute;
left: 1rem;
}
.array div:nth-child(n) {
top: 20px;
}
.array div:nth-child(2n+1) {
top: 40px;
}