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                <div class="wrap">
  <h1>Pure <span>CSS</span> Modal Popup</h1>

<div class="modal">
  <input id="modalTrigger" type="checkbox">
  <label for="modalTrigger">Launch Modal</label>
  <div class="modalOverlay">
    <div class="modalWrap">
      <label for="modalTrigger">&#10006;</label>
      <h2>This is your modal content</h2>
      <p>Lorem ipsum dolor sit amet, ea stet atomorum consectetuer ius. Tota ancillae eum id. Cu sale docendi his. Et his labitur nominati tractatos, alia fastidii iracundia duo ea. Ex has veritus prodesset, vix eros forensibus quaerendum cu, per et hendrerit adipiscing. Usu tota offendit explicari te, an aeque scripta comprehensam usu, sale tacimates antiopam id has.</p>
      <p>Molestie offendit eam eu, sed facer falli omittam cu, ut has volutpat iracundia. Pro ubique gubergren scriptorem et, vel impetus honestatis te. Virtute ceteros contentiones duo et, id tota similique pro, qui an volumus luptatum sensibus. Nec eu odio invenire intellegat, audire suscipiantur signiferumque no mel. Et lorem alienum interpretaris pro.</p>


                html {
  margin: 2em;
  background: #efefef;

.modal {
  background: #fff;
  box-shadow: 0 0 3px rgba(0,0,0,0.15);
  display: inline-block;
  padding: 1em;

.modal > label {
  background: #ffd300;
  border: 1px solid #f0c600;
  border-radius: .2em;
  color: #000;
  cursor: pointer;
  display: inline-block;
  font-weight: bold;
  padding: 0.75em 1.5em;
  text-shadow: 1px 1px 1px #fff;
  transition: all 0.55s;

.modal > label:hover {
  transform: scale(0.97);

.modalOverlay {
  background: #999;
  right: 50px; left: 50px;
  margin: 0 auto;
  position: fixed;
  text-shadow: none;
  z-index: -100;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.75s cubic-bezier(0.68, -0.55, 0.265, 1.55);

.modalWrap {
  padding: 1em 0;
  position: relative;
  margin: 0 auto;
  width: 95%;

.modalWrap > label {
  float: right;
  cursor: pointer;

input {
  position: absolute;
  top: -1000px

input:checked ~ .modalOverlay {
  opacity: 1;
  transform: scale(1);
  z-index: 800;