JSFiddle - React, Tailwind, and code Playground

by sazakharov

HTML

<div class="container">
  <div class="block b1">
    <img src="https://iconizer.net/files/Gnome_Web_Icons/orig/Gnome-Media-Optical-32.png" width="50" height="50">
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
  </div>
  <div class="block b2">
    <img src="https://findicons.com/files/icons/1150/tango/32/emblem_system.png" width="50" height="50">
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
  </div>
  <div class="block b3">
    <img src="https://findicons.com/files/icons/1150/tango/32/system_search.png" width="50" height="50">
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
  </div>
  <div class="block b4">
    <img src="https://findicons.com/files/icons/2226/matte_basic/32/zoomin.png" width="50" height="50">
    <p>Lorem ipsum dolor sit amet, consectetur...

CSS

body {
  background: #eee;
}

img {
  display:block;
  margin:65px;
  transition: 700ms all ease-in-out;
}

.container {
  position: relative;
  width: 390px;
  height: 390px;
  border: 1px solid black;
  background: white;
  overflow: hidden;
}

.block {
  width: 180px;
  height: 180px;
  background: #EEEEEE;
  margin: 0px;
  padding: 0px;
  transition: 700ms all ease-in-out;
  overflow: hidden;
  position: absolute;
}

.b1 {
  left: 10px;
  top: 10px;
}

.b2 {
  left: 200px;
  top: 10px;
}

.b3 {
  left: 10px;
  top: 200px;
}

.b4 {
  left: 200px;
  top: 200px;
}

div p {
  opacity: 0;
  transition: 700ms all ease-in-out;
}

.expanded {
  left: 0px;
  top: 0px;
  margin: 0px;
  width: 100%;
  height: 100%;
  background: #D0D0D0;
  z-index: 100;
}

.expanded p {
  opacity: 1;
  padding: 10px;
  text-align: justify;
}

.expanded img {
  display:block;
  margin:5px;
}

.block:active {
  background-color:red;
}

.hide {
  opacity: 0;
}

JavaScript

document.body.addEventListener('click', onClick)

function onClick(e) {
  if (e.target.matches('.block') || e.target.parentNode.matches('.block')) {
    e.target.closest(".block").classList.toggle('expanded')
    document.querySelectorAll(".block").forEach( el => {
    	if ( el != e.target.closest(".block") ) {
      	el.classList.toggle('hide');
      }
    });
  }
}